Matala Hakko Self-Weighted Diffuser Discs Size:7" Diameter Apply according to the following

Apply according to the following chart:

The Matala Hakko Air Hose Diffuser is an 8" diameter self-weighted diffuser that produces medium-sized bubbles

3' 1" MPT R440104 Quiet One® 4000 58

clog-resistant and hard water-tolerant

Matala Hakko Self-Weighted Diffuser Discs Size:7" Diameter Apply according to the followingMatala Hakko Self Weighted Disc Diffusers are EPDM air diffuser assemblies that feature weighted bases that help keep the diffusers anchored to the bottom and right side up. We recommend the MD 3W up to 7LPM, MD 5W up to 25 LPM, and the MD 7W to 40 liters of air per minute. Produces medium bubbles, reducing back pressure on the pump SKU Membrane Diameter Connection Net Weight MD 3W Silicone 3" 3 16" 0. 47lb MD 5W EPDM 5" 3 8" 2. 36lb MD 7W 7" 3 8" 3.