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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: $13.49Our Price: Only $10.79
You save: 20%

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

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

Suggested Retail: $19.09Our Price: Only $15.27
You save: 20%

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

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

Suggested Retail: $22.39Our Price: Only $17.91
You save: 20%

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

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

Suggested Retail: $27.99Our Price: Only $21.24
You save: 24%

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

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

Suggested Retail: $16.29Our Price: Only $12.32
You save: 24%

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

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

Suggested Retail: $17.19Our Price: Only $14.60
You save: 15%

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

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

Suggested Retail: $27.99Our Price: Only $21.24
You save: 24%

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

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

Suggested Retail: $59.00Our Price: Only $44.25
You save: 25%

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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%

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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%

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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%

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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%

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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%

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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%

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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%

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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%

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Single Membrane Diffuser - 10.5" Diameter

Single Membrane Diffuser - 10.5" Diameter

Suggested Retail: $49.79Our Price: Only $35.34
You save: 29%

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Membrane Diffuser Assemblies - Single Diffuser - EPMD1

Membrane Diffuser Assemblies - Single Diffuser - EPMD1

Suggested Retail: $124.98Our Price: Only $99.00
You save: 21%

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Membrane Diffuser Assemblies - Double Diffuser - EPMD2

Membrane Diffuser Assemblies - Double Diffuser - EPMD2

Suggested Retail: $173.49Our Price: Only $135.32
You save: 22%

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Membrane Diffuser Assemblies - Quad Diffuser - EPMD4

Membrane Diffuser Assemblies - Quad Diffuser - EPMD4

Suggested Retail: $279.59Our Price: Only $218.08
You save: 22%

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

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

Suggested Retail: $16.29Our Price: Only $12.32
You save: 24%

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

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

Suggested Retail: $17.19Our Price: Only $14.60
You save: 15%

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

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

Suggested Retail: $27.99Our Price: Only $21.24
You save: 24%

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

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

Suggested Retail: $27.99Our Price: Only $21.24
You save: 24%

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Air Diffuser Manifold Assembly - 2 Diffusers - DM2

Air Diffuser Manifold Assembly - 2 Diffusers - DM2

Suggested Retail: $79.89Our Price: Only $63.91
You save: 20%

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Air Diffuser Manifold Assembly - 4 Diffusers - DM4

Air Diffuser Manifold Assembly - 4 Diffusers - DM4

Suggested Retail: $128.59Our Price: Only $109.31
You save: 15%

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Air Diffuser Manifold Assembly - 6 Diffusers - DM6

Air Diffuser Manifold Assembly - 6 Diffusers - DM6

Suggested Retail: $204.49Our Price: Only $153.37
You save: 25%

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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%

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Pondmaster - Small Air Diffuser Kit - 14575

Pondmaster - Small Air Diffuser Kit - 14575

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

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Pondmaster - Round 7-in Air Diffuser

Pondmaster - Round 7-in Air Diffuser

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

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Air Stones and Membrane Diffusers