Quantcast

Customer Service 1.866.426.7663 Monday - Friday 10AM - 5PM EST    shipping info | privacy policy | help
Pond & Waterfall Pumps, Water Gardening Supplies and so much more!
Product Categories

Ponding 101
Did You Know?
more info >
A biological pond filter is beneficial for every pond, with or without fish. View our pond filters today!

Air Stones and Membrane Diffusers

Rubber Membrane Diffuser - 4" Long - 1/4" - 3/8" - RAD4

Rubber Membrane Diffuser - 4" Long - 1/4" - 3/8" - RAD4

Suggested Retail: $11.79Our Price: Only $10.03
You save: 15%

Qty:

Rubber Membrane Diffuser - 6" Long - 3/8" - 1/2" - RAD6

Rubber Membrane Diffuser - 6" Long - 3/8" - 1/2" - RAD6

Suggested Retail: $15.49Our Price: Only $13.17
You save: 15%

Qty:

Rubber Membrane Diffuser - 8" Long - 3/8" - 1/2" - RAD8

Rubber Membrane Diffuser - 8" Long - 3/8" - 1/2" - RAD8

Suggested Retail: $17.49Our Price: Only $14.86
You save: 15%

Qty:

Rubber Membrane Diffuser - 12" Long - 3/8"-1/2" - RAD12

Rubber Membrane Diffuser - 12" Long - 3/8"-1/2" - RAD12

Suggested Retail: $25.69Our Price: Only $21.83
You save: 15%

Qty:

Rubber Membrane Diffuser - 6" Long - 1/2" MPT - RAD650

Rubber Membrane Diffuser - 6" Long - 1/2" MPT - RAD650

Suggested Retail: $15.49Our Price: Only $13.17
You save: 15%

Qty:

Rubber Membrane Diffuser - 8" Long - 1/2" MPT  - RAD850

Rubber Membrane Diffuser - 8" Long - 1/2" MPT - RAD850

Suggested Retail: $17.49Our Price: Only $14.86
You save: 15%

Qty:

Rubber Membrane Diffuser - 12" Long - 1/2" MPT - RAD1250

Rubber Membrane Diffuser - 12" Long - 1/2" MPT - RAD1250

Suggested Retail: $25.69Our Price: Only $21.83
You save: 15%

Qty:

Rubber Membrane Diffuser - 24" - 3/4" MPT - RAD2475

Rubber Membrane Diffuser - 24" - 3/4" MPT - RAD2475

Suggested Retail: $52.89Our Price: Only $44.96
You save: 15%

Qty:

Pro-Glass Alumina Airstone - 1-1/2" Long - 1/4" Barb - AS15

Pro-Glass Alumina Airstone - 1-1/2" Long - 1/4" Barb - AS15

Suggested Retail: $9.39Our Price: Only $7.51
You save: 20%

Qty:

Pro-Glass Alumina Airstone - 3" Long - 3/8" Barb -  AS337

Pro-Glass Alumina Airstone - 3" Long - 3/8" Barb - AS337

Suggested Retail: $14.69Our Price: Only $11.75
You save: 20%

Qty:

Pro-Glass Alumina Airstone - 6" Long - 3/8" barb - AS637

Pro-Glass Alumina Airstone - 6" Long - 3/8" barb - AS637

Suggested Retail: $18.89Our Price: Only $15.11
You save: 20%

Qty:

Pro-Glass Alumina Airstone - 9" Long - 3/8" barb - AS937

Pro-Glass Alumina Airstone - 9" Long - 3/8" barb - AS937

Suggested Retail: $32.69Our Price: Only $26.15
You save: 20%

Qty:

Pro-Glass Alumina Airstone - 12" Long - 3/8" barb - AS1237

Pro-Glass Alumina Airstone - 12" Long - 3/8" barb - AS1237

Suggested Retail: $37.09Our Price: Only $29.67
You save: 20%

Qty:

Pro-Glass Alumina Airstone - 6" Long - 1/2" MPT - AS650

Pro-Glass Alumina Airstone - 6" Long - 1/2" MPT - AS650

Suggested Retail: $19.19Our Price: Only $15.35
You save: 20%

Qty:

Pro-Glass Alumina Airstone - 9" Long - 1/2" MPT - AS950

Pro-Glass Alumina Airstone - 9" Long - 1/2" MPT - AS950

Suggested Retail: $31.69Our Price: Only $25.35
You save: 20%

Qty:

Pro-Glass Alumina Airstone - 12" Long - 1/2" MPT - AS1250

Pro-Glass Alumina Airstone - 12" Long - 1/2" MPT - AS1250

Suggested Retail: $35.99Our Price: Only $28.79
You save: 20%

Qty:

Single Membrane Diffuser - 10.5" Diameter - MD3

Single Membrane Diffuser - 10.5" Diameter - MD3

Suggested Retail: $44.19Our Price: Only $39.77
You save: 10%

Qty:

Membrane Diffuser Assemblies - Single Diffuser - EPMD1

Membrane Diffuser Assemblies - Single Diffuser - EPMD1

Suggested Retail: $116.99Our Price: Only $105.29
You save: 10%

Qty:

Membrane Diffuser Assemblies - Double Diffuser - EPMD2

Membrane Diffuser Assemblies - Double Diffuser - EPMD2

Suggested Retail: $159.99Our Price: Only $143.99
You save: 10%

Qty:

Membrane Diffuser Assemblies - Quad Diffuser - EPMD4

Membrane Diffuser Assemblies - Quad Diffuser - EPMD4

Suggested Retail: $249.79Our Price: Only $224.81
You save: 10%

Qty:

Rubber Membrane Diffuser - 6" Long - 1/2" MPT - RAD650

Rubber Membrane Diffuser - 6" Long - 1/2" MPT - RAD650

Suggested Retail: $15.49Our Price: Only $13.17
You save: 15%

Qty:

Rubber Membrane Diffuser - 8" Long - 1/2" MPT  - RAD850

Rubber Membrane Diffuser - 8" Long - 1/2" MPT - RAD850

Suggested Retail: $17.49Our Price: Only $14.86
You save: 15%

Qty:

Rubber Membrane Diffuser - 12" Long - 3/8"-1/2" - RAD12

Rubber Membrane Diffuser - 12" Long - 3/8"-1/2" - RAD12

Suggested Retail: $25.69Our Price: Only $21.83
You save: 15%

Qty:

Rubber Membrane Diffuser - 12" Long - 1/2" MPT - RAD1250

Rubber Membrane Diffuser - 12" Long - 1/2" MPT - RAD1250

Suggested Retail: $25.69Our Price: Only $21.83
You save: 15%

Qty:

Air Diffuser Manifold Assembly - 2 Diffusers - DM2

Air Diffuser Manifold Assembly - 2 Diffusers - DM2

Suggested Retail: $79.89Our Price: Only $71.90
You save: 10%

Qty:

Air Diffuser Manifold Assembly - 4 Diffusers - DM4

Air Diffuser Manifold Assembly - 4 Diffusers - DM4

Suggested Retail: $128.59Our Price: Only $115.73
You save: 10%

Qty:

Air Diffuser Manifold Assembly - 6 Diffusers - DM6

Air Diffuser Manifold Assembly - 6 Diffusers - DM6

Suggested Retail: $164.59Our Price: Only $148.13
You save: 10%

Qty:

Air Diffuser Manifold Assembly - 2 x Alumina Airstone Diffusers - DM2-S

Air Diffuser Manifold Assembly - 2 x Alumina Airstone Diffusers - DM2-S

Suggested Retail: $89.99Our Price: Only $80.99
You save: 10%

Qty:

Air Diffuser Manifold Assembly - 4 x Alumina Airstone Diffusers - DM4-S

Air Diffuser Manifold Assembly - 4 x Alumina Airstone Diffusers - DM4-S

Suggested Retail: $149.89Our Price: Only $134.90
You save: 10%

Qty:

Air Diffuser Manifold Assembly - 6 x Alumina Airstone Diffusers - DM6-S

Air Diffuser Manifold Assembly - 6 x Alumina Airstone Diffusers - DM6-S

Suggested Retail: $195.09Our Price: Only $175.58
You save: 10%

Qty:

Pondmaster - 6" Straight Fine Bubble Air Diffuser

Pondmaster - 6" Straight Fine Bubble Air Diffuser

Suggested Retail: $15.75Our Price: Only $13.23
You save: 16%

Qty:

Pondmaster - Small Air Diffuser Kit - 14575

Pondmaster - Small Air Diffuser Kit - 14575

Suggested Retail: $31.29Our Price: Only $26.28
You save: 16%

Qty:

Pondmaster - Round 7-in Air Diffuser

Pondmaster - Round 7-in Air Diffuser

Suggested Retail: $33.08Our Price: Only $27.78
You save: 16%

Qty:




Exclusive Offers & Savings
Join our mailing list & SAVE!


WHY BUY FROM US
Courteous, knowledgeable and professional sales personnel
Brand new and factory fresh merchandise
Thousands of satisfied customers
Huge stock levels - 99.8% In stock
Quality name brand products
Competitive pricing
Free Eco-Saver Shipping on orders $99+
Price Match Guarantee
128-Bit SSL Encryption
secure

Order Here Online 100%
Securely Through
Yahoo! StoreTM
close
Air Stones and Membrane Diffusers