Overview Similar Products Product Description Compact Aeration Series Airstone Diffuser - 4 1/2" Tapered connection for 3/16" tubing Product Videos Product Reviews Write a Review Write a Review × CAS Compact Aeration Series Airstone Diffuser - 4 1/2" Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments * Find Similar Products by Category
CAS | sku: CM-RK Compact Aeration Series Replacement Diaphragm Kits MSRP: Now: $14.99 Choose Options Gast | sku: PA50DLD 1/4 HP Sentinel Deluxe Aeration System with Tubing no Diffusers MSRP: Now: $1,957.31 Add to Cart CAS | sku: CASCV Compact Aeration Series Replacement Inline Check Valve MSRP: Now: $4.99 Add to Cart Stratus | sku: PA34-2 1/4 HP Stratus PA34-2 Aeration System w/ Two Diffusers - FREE SHIPPING MSRP: Now: $881.99 Add to Cart Stratus | sku: PA66AD 1/2 HP Sentinel PA66AD Deluxe Aeration System with cabinet and Diffusers MSRP: Now: $1,987.19 Add to Cart CAS | sku: CASR Compact Aeration Series Replacement Tubing - 25 ft. Roll MSRP: Now: $14.99 Add to Cart CAS | sku: CAS4 Compact Aeration Series Pond Aeration Kit - Quad Outlet - Ponds up to 3500 gallons MSRP: Now: $106.24 Add to Cart CAS | sku: CAS1 Compact Aeration Series Pond Aeration Kit - Single Outlet - Ponds up to 1000 gallons MSRP: Now: $48.44 Add to Cart × You May Also Like... CAS | sku: CM-RK Compact Aeration Series Replacement Diaphragm Kits MSRP: Now: $14.99 Choose Options Gast | sku: PA50DLD 1/4 HP Sentinel Deluxe Aeration System with Tubing no Diffusers MSRP: Now: $1,957.31 Add to Cart CAS | sku: CASCV Compact Aeration Series Replacement Inline Check Valve MSRP: Now: $4.99 Add to Cart Stratus | sku: PA34-2 1/4 HP Stratus PA34-2 Aeration System w/ Two Diffusers - FREE SHIPPING MSRP: Now: $881.99 Add to Cart Stratus | sku: PA66AD 1/2 HP Sentinel PA66AD Deluxe Aeration System with cabinet and Diffusers MSRP: Now: $1,987.19 Add to Cart CAS | sku: CASR Compact Aeration Series Replacement Tubing - 25 ft. Roll MSRP: Now: $14.99 Add to Cart CAS | sku: CAS4 Compact Aeration Series Pond Aeration Kit - Quad Outlet - Ponds up to 3500 gallons MSRP: Now: $106.24 Add to Cart CAS | sku: CAS1 Compact Aeration Series Pond Aeration Kit - Single Outlet - Ponds up to 1000 gallons MSRP: Now: $48.44 Add to Cart × OK
Gast | sku: PA50DLD 1/4 HP Sentinel Deluxe Aeration System with Tubing no Diffusers MSRP: Now: $1,957.31 Add to Cart CAS | sku: CASCV Compact Aeration Series Replacement Inline Check Valve MSRP: Now: $4.99 Add to Cart Stratus | sku: PA34-2 1/4 HP Stratus PA34-2 Aeration System w/ Two Diffusers - FREE SHIPPING MSRP: Now: $881.99 Add to Cart Stratus | sku: PA66AD 1/2 HP Sentinel PA66AD Deluxe Aeration System with cabinet and Diffusers MSRP: Now: $1,987.19 Add to Cart CAS | sku: CASR Compact Aeration Series Replacement Tubing - 25 ft. Roll MSRP: Now: $14.99 Add to Cart CAS | sku: CAS4 Compact Aeration Series Pond Aeration Kit - Quad Outlet - Ponds up to 3500 gallons MSRP: Now: $106.24 Add to Cart CAS | sku: CAS1 Compact Aeration Series Pond Aeration Kit - Single Outlet - Ponds up to 1000 gallons MSRP: Now: $48.44 Add to Cart × You May Also Like... CAS | sku: CM-RK Compact Aeration Series Replacement Diaphragm Kits MSRP: Now: $14.99 Choose Options Gast | sku: PA50DLD 1/4 HP Sentinel Deluxe Aeration System with Tubing no Diffusers MSRP: Now: $1,957.31 Add to Cart CAS | sku: CASCV Compact Aeration Series Replacement Inline Check Valve MSRP: Now: $4.99 Add to Cart Stratus | sku: PA34-2 1/4 HP Stratus PA34-2 Aeration System w/ Two Diffusers - FREE SHIPPING MSRP: Now: $881.99 Add to Cart Stratus | sku: PA66AD 1/2 HP Sentinel PA66AD Deluxe Aeration System with cabinet and Diffusers MSRP: Now: $1,987.19 Add to Cart CAS | sku: CASR Compact Aeration Series Replacement Tubing - 25 ft. Roll MSRP: Now: $14.99 Add to Cart CAS | sku: CAS4 Compact Aeration Series Pond Aeration Kit - Quad Outlet - Ponds up to 3500 gallons MSRP: Now: $106.24 Add to Cart CAS | sku: CAS1 Compact Aeration Series Pond Aeration Kit - Single Outlet - Ponds up to 1000 gallons MSRP: Now: $48.44 Add to Cart × OK
CAS | sku: CASCV Compact Aeration Series Replacement Inline Check Valve MSRP: Now: $4.99 Add to Cart Stratus | sku: PA34-2 1/4 HP Stratus PA34-2 Aeration System w/ Two Diffusers - FREE SHIPPING MSRP: Now: $881.99 Add to Cart Stratus | sku: PA66AD 1/2 HP Sentinel PA66AD Deluxe Aeration System with cabinet and Diffusers MSRP: Now: $1,987.19 Add to Cart CAS | sku: CASR Compact Aeration Series Replacement Tubing - 25 ft. Roll MSRP: Now: $14.99 Add to Cart CAS | sku: CAS4 Compact Aeration Series Pond Aeration Kit - Quad Outlet - Ponds up to 3500 gallons MSRP: Now: $106.24 Add to Cart CAS | sku: CAS1 Compact Aeration Series Pond Aeration Kit - Single Outlet - Ponds up to 1000 gallons MSRP: Now: $48.44 Add to Cart × You May Also Like... CAS | sku: CM-RK Compact Aeration Series Replacement Diaphragm Kits MSRP: Now: $14.99 Choose Options Gast | sku: PA50DLD 1/4 HP Sentinel Deluxe Aeration System with Tubing no Diffusers MSRP: Now: $1,957.31 Add to Cart CAS | sku: CASCV Compact Aeration Series Replacement Inline Check Valve MSRP: Now: $4.99 Add to Cart Stratus | sku: PA34-2 1/4 HP Stratus PA34-2 Aeration System w/ Two Diffusers - FREE SHIPPING MSRP: Now: $881.99 Add to Cart Stratus | sku: PA66AD 1/2 HP Sentinel PA66AD Deluxe Aeration System with cabinet and Diffusers MSRP: Now: $1,987.19 Add to Cart CAS | sku: CASR Compact Aeration Series Replacement Tubing - 25 ft. Roll MSRP: Now: $14.99 Add to Cart CAS | sku: CAS4 Compact Aeration Series Pond Aeration Kit - Quad Outlet - Ponds up to 3500 gallons MSRP: Now: $106.24 Add to Cart CAS | sku: CAS1 Compact Aeration Series Pond Aeration Kit - Single Outlet - Ponds up to 1000 gallons MSRP: Now: $48.44 Add to Cart × OK
Stratus | sku: PA34-2 1/4 HP Stratus PA34-2 Aeration System w/ Two Diffusers - FREE SHIPPING MSRP: Now: $881.99 Add to Cart Stratus | sku: PA66AD 1/2 HP Sentinel PA66AD Deluxe Aeration System with cabinet and Diffusers MSRP: Now: $1,987.19 Add to Cart CAS | sku: CASR Compact Aeration Series Replacement Tubing - 25 ft. Roll MSRP: Now: $14.99 Add to Cart CAS | sku: CAS4 Compact Aeration Series Pond Aeration Kit - Quad Outlet - Ponds up to 3500 gallons MSRP: Now: $106.24 Add to Cart CAS | sku: CAS1 Compact Aeration Series Pond Aeration Kit - Single Outlet - Ponds up to 1000 gallons MSRP: Now: $48.44 Add to Cart × You May Also Like... CAS | sku: CM-RK Compact Aeration Series Replacement Diaphragm Kits MSRP: Now: $14.99 Choose Options Gast | sku: PA50DLD 1/4 HP Sentinel Deluxe Aeration System with Tubing no Diffusers MSRP: Now: $1,957.31 Add to Cart CAS | sku: CASCV Compact Aeration Series Replacement Inline Check Valve MSRP: Now: $4.99 Add to Cart Stratus | sku: PA34-2 1/4 HP Stratus PA34-2 Aeration System w/ Two Diffusers - FREE SHIPPING MSRP: Now: $881.99 Add to Cart Stratus | sku: PA66AD 1/2 HP Sentinel PA66AD Deluxe Aeration System with cabinet and Diffusers MSRP: Now: $1,987.19 Add to Cart CAS | sku: CASR Compact Aeration Series Replacement Tubing - 25 ft. Roll MSRP: Now: $14.99 Add to Cart CAS | sku: CAS4 Compact Aeration Series Pond Aeration Kit - Quad Outlet - Ponds up to 3500 gallons MSRP: Now: $106.24 Add to Cart CAS | sku: CAS1 Compact Aeration Series Pond Aeration Kit - Single Outlet - Ponds up to 1000 gallons MSRP: Now: $48.44 Add to Cart × OK
Stratus | sku: PA66AD 1/2 HP Sentinel PA66AD Deluxe Aeration System with cabinet and Diffusers MSRP: Now: $1,987.19 Add to Cart CAS | sku: CASR Compact Aeration Series Replacement Tubing - 25 ft. Roll MSRP: Now: $14.99 Add to Cart CAS | sku: CAS4 Compact Aeration Series Pond Aeration Kit - Quad Outlet - Ponds up to 3500 gallons MSRP: Now: $106.24 Add to Cart CAS | sku: CAS1 Compact Aeration Series Pond Aeration Kit - Single Outlet - Ponds up to 1000 gallons MSRP: Now: $48.44 Add to Cart × You May Also Like... CAS | sku: CM-RK Compact Aeration Series Replacement Diaphragm Kits MSRP: Now: $14.99 Choose Options Gast | sku: PA50DLD 1/4 HP Sentinel Deluxe Aeration System with Tubing no Diffusers MSRP: Now: $1,957.31 Add to Cart CAS | sku: CASCV Compact Aeration Series Replacement Inline Check Valve MSRP: Now: $4.99 Add to Cart Stratus | sku: PA34-2 1/4 HP Stratus PA34-2 Aeration System w/ Two Diffusers - FREE SHIPPING MSRP: Now: $881.99 Add to Cart Stratus | sku: PA66AD 1/2 HP Sentinel PA66AD Deluxe Aeration System with cabinet and Diffusers MSRP: Now: $1,987.19 Add to Cart CAS | sku: CASR Compact Aeration Series Replacement Tubing - 25 ft. Roll MSRP: Now: $14.99 Add to Cart CAS | sku: CAS4 Compact Aeration Series Pond Aeration Kit - Quad Outlet - Ponds up to 3500 gallons MSRP: Now: $106.24 Add to Cart CAS | sku: CAS1 Compact Aeration Series Pond Aeration Kit - Single Outlet - Ponds up to 1000 gallons MSRP: Now: $48.44 Add to Cart × OK
CAS | sku: CASR Compact Aeration Series Replacement Tubing - 25 ft. Roll MSRP: Now: $14.99 Add to Cart CAS | sku: CAS4 Compact Aeration Series Pond Aeration Kit - Quad Outlet - Ponds up to 3500 gallons MSRP: Now: $106.24 Add to Cart CAS | sku: CAS1 Compact Aeration Series Pond Aeration Kit - Single Outlet - Ponds up to 1000 gallons MSRP: Now: $48.44 Add to Cart × You May Also Like... CAS | sku: CM-RK Compact Aeration Series Replacement Diaphragm Kits MSRP: Now: $14.99 Choose Options Gast | sku: PA50DLD 1/4 HP Sentinel Deluxe Aeration System with Tubing no Diffusers MSRP: Now: $1,957.31 Add to Cart CAS | sku: CASCV Compact Aeration Series Replacement Inline Check Valve MSRP: Now: $4.99 Add to Cart Stratus | sku: PA34-2 1/4 HP Stratus PA34-2 Aeration System w/ Two Diffusers - FREE SHIPPING MSRP: Now: $881.99 Add to Cart Stratus | sku: PA66AD 1/2 HP Sentinel PA66AD Deluxe Aeration System with cabinet and Diffusers MSRP: Now: $1,987.19 Add to Cart CAS | sku: CASR Compact Aeration Series Replacement Tubing - 25 ft. Roll MSRP: Now: $14.99 Add to Cart CAS | sku: CAS4 Compact Aeration Series Pond Aeration Kit - Quad Outlet - Ponds up to 3500 gallons MSRP: Now: $106.24 Add to Cart CAS | sku: CAS1 Compact Aeration Series Pond Aeration Kit - Single Outlet - Ponds up to 1000 gallons MSRP: Now: $48.44 Add to Cart × OK
CAS | sku: CAS4 Compact Aeration Series Pond Aeration Kit - Quad Outlet - Ponds up to 3500 gallons MSRP: Now: $106.24 Add to Cart CAS | sku: CAS1 Compact Aeration Series Pond Aeration Kit - Single Outlet - Ponds up to 1000 gallons MSRP: Now: $48.44 Add to Cart × You May Also Like... CAS | sku: CM-RK Compact Aeration Series Replacement Diaphragm Kits MSRP: Now: $14.99 Choose Options Gast | sku: PA50DLD 1/4 HP Sentinel Deluxe Aeration System with Tubing no Diffusers MSRP: Now: $1,957.31 Add to Cart CAS | sku: CASCV Compact Aeration Series Replacement Inline Check Valve MSRP: Now: $4.99 Add to Cart Stratus | sku: PA34-2 1/4 HP Stratus PA34-2 Aeration System w/ Two Diffusers - FREE SHIPPING MSRP: Now: $881.99 Add to Cart Stratus | sku: PA66AD 1/2 HP Sentinel PA66AD Deluxe Aeration System with cabinet and Diffusers MSRP: Now: $1,987.19 Add to Cart CAS | sku: CASR Compact Aeration Series Replacement Tubing - 25 ft. Roll MSRP: Now: $14.99 Add to Cart CAS | sku: CAS4 Compact Aeration Series Pond Aeration Kit - Quad Outlet - Ponds up to 3500 gallons MSRP: Now: $106.24 Add to Cart CAS | sku: CAS1 Compact Aeration Series Pond Aeration Kit - Single Outlet - Ponds up to 1000 gallons MSRP: Now: $48.44 Add to Cart × OK
CAS | sku: CAS1 Compact Aeration Series Pond Aeration Kit - Single Outlet - Ponds up to 1000 gallons MSRP: Now: $48.44 Add to Cart
CAS | sku: CM-RK Compact Aeration Series Replacement Diaphragm Kits MSRP: Now: $14.99 Choose Options Gast | sku: PA50DLD 1/4 HP Sentinel Deluxe Aeration System with Tubing no Diffusers MSRP: Now: $1,957.31 Add to Cart CAS | sku: CASCV Compact Aeration Series Replacement Inline Check Valve MSRP: Now: $4.99 Add to Cart Stratus | sku: PA34-2 1/4 HP Stratus PA34-2 Aeration System w/ Two Diffusers - FREE SHIPPING MSRP: Now: $881.99 Add to Cart Stratus | sku: PA66AD 1/2 HP Sentinel PA66AD Deluxe Aeration System with cabinet and Diffusers MSRP: Now: $1,987.19 Add to Cart CAS | sku: CASR Compact Aeration Series Replacement Tubing - 25 ft. Roll MSRP: Now: $14.99 Add to Cart CAS | sku: CAS4 Compact Aeration Series Pond Aeration Kit - Quad Outlet - Ponds up to 3500 gallons MSRP: Now: $106.24 Add to Cart CAS | sku: CAS1 Compact Aeration Series Pond Aeration Kit - Single Outlet - Ponds up to 1000 gallons MSRP: Now: $48.44 Add to Cart
Gast | sku: PA50DLD 1/4 HP Sentinel Deluxe Aeration System with Tubing no Diffusers MSRP: Now: $1,957.31 Add to Cart CAS | sku: CASCV Compact Aeration Series Replacement Inline Check Valve MSRP: Now: $4.99 Add to Cart Stratus | sku: PA34-2 1/4 HP Stratus PA34-2 Aeration System w/ Two Diffusers - FREE SHIPPING MSRP: Now: $881.99 Add to Cart Stratus | sku: PA66AD 1/2 HP Sentinel PA66AD Deluxe Aeration System with cabinet and Diffusers MSRP: Now: $1,987.19 Add to Cart CAS | sku: CASR Compact Aeration Series Replacement Tubing - 25 ft. Roll MSRP: Now: $14.99 Add to Cart CAS | sku: CAS4 Compact Aeration Series Pond Aeration Kit - Quad Outlet - Ponds up to 3500 gallons MSRP: Now: $106.24 Add to Cart CAS | sku: CAS1 Compact Aeration Series Pond Aeration Kit - Single Outlet - Ponds up to 1000 gallons MSRP: Now: $48.44 Add to Cart
CAS | sku: CASCV Compact Aeration Series Replacement Inline Check Valve MSRP: Now: $4.99 Add to Cart Stratus | sku: PA34-2 1/4 HP Stratus PA34-2 Aeration System w/ Two Diffusers - FREE SHIPPING MSRP: Now: $881.99 Add to Cart Stratus | sku: PA66AD 1/2 HP Sentinel PA66AD Deluxe Aeration System with cabinet and Diffusers MSRP: Now: $1,987.19 Add to Cart CAS | sku: CASR Compact Aeration Series Replacement Tubing - 25 ft. Roll MSRP: Now: $14.99 Add to Cart CAS | sku: CAS4 Compact Aeration Series Pond Aeration Kit - Quad Outlet - Ponds up to 3500 gallons MSRP: Now: $106.24 Add to Cart CAS | sku: CAS1 Compact Aeration Series Pond Aeration Kit - Single Outlet - Ponds up to 1000 gallons MSRP: Now: $48.44 Add to Cart
Stratus | sku: PA34-2 1/4 HP Stratus PA34-2 Aeration System w/ Two Diffusers - FREE SHIPPING MSRP: Now: $881.99 Add to Cart Stratus | sku: PA66AD 1/2 HP Sentinel PA66AD Deluxe Aeration System with cabinet and Diffusers MSRP: Now: $1,987.19 Add to Cart CAS | sku: CASR Compact Aeration Series Replacement Tubing - 25 ft. Roll MSRP: Now: $14.99 Add to Cart CAS | sku: CAS4 Compact Aeration Series Pond Aeration Kit - Quad Outlet - Ponds up to 3500 gallons MSRP: Now: $106.24 Add to Cart CAS | sku: CAS1 Compact Aeration Series Pond Aeration Kit - Single Outlet - Ponds up to 1000 gallons MSRP: Now: $48.44 Add to Cart
Stratus | sku: PA66AD 1/2 HP Sentinel PA66AD Deluxe Aeration System with cabinet and Diffusers MSRP: Now: $1,987.19 Add to Cart CAS | sku: CASR Compact Aeration Series Replacement Tubing - 25 ft. Roll MSRP: Now: $14.99 Add to Cart CAS | sku: CAS4 Compact Aeration Series Pond Aeration Kit - Quad Outlet - Ponds up to 3500 gallons MSRP: Now: $106.24 Add to Cart CAS | sku: CAS1 Compact Aeration Series Pond Aeration Kit - Single Outlet - Ponds up to 1000 gallons MSRP: Now: $48.44 Add to Cart
CAS | sku: CASR Compact Aeration Series Replacement Tubing - 25 ft. Roll MSRP: Now: $14.99 Add to Cart CAS | sku: CAS4 Compact Aeration Series Pond Aeration Kit - Quad Outlet - Ponds up to 3500 gallons MSRP: Now: $106.24 Add to Cart CAS | sku: CAS1 Compact Aeration Series Pond Aeration Kit - Single Outlet - Ponds up to 1000 gallons MSRP: Now: $48.44 Add to Cart
CAS | sku: CAS4 Compact Aeration Series Pond Aeration Kit - Quad Outlet - Ponds up to 3500 gallons MSRP: Now: $106.24 Add to Cart CAS | sku: CAS1 Compact Aeration Series Pond Aeration Kit - Single Outlet - Ponds up to 1000 gallons MSRP: Now: $48.44 Add to Cart
CAS | sku: CAS1 Compact Aeration Series Pond Aeration Kit - Single Outlet - Ponds up to 1000 gallons MSRP: Now: $48.44 Add to Cart