Rubber Membrane Air Diffusers are incredibly strong and are ideal for pond aeration, circulation, and destratifying applications. Unlike air stones, these diffusers are easy to clean.
| Part No. | Length | Inlet | Self-Weighted? |
| RAD4 | 4" | 1/4" - 3/8" barb | No |
| RAD6 | 6" | 1/4" - 3/8" barb | No |
| RAD650 | 6" | 1/2" mpt | No |
| RAD650W | 6" | 1/2" mpt weighted | Yes |
| RAD8 | 8" | 3/8" - 1/2" barb | No |
| RAD850 | 8" | 1/2" mpt | No |
| RAD12 | 12" | 3/8" - 1/2" barb | No |
| RAD1250 | 12" | 1/2" mpt | No |
| RAD2475 | 24" | 3/4" mpt | No |