Matala Hakko Self-Weighted Diffuser Discs Size:7" Diameter 3' 1" MPT R440104 Quiet

3' 1" MPT R440104 Quiet One® 4000 58

AlphaBioONE media is uniquely designed to trap debris evenly across the entire filter

formulated to treat filamentous algae

Clear chamber allows for easy viewing to ensure proper operation

clog-resistant and hard water-tolerant

Matala Hakko Self-Weighted Diffuser Discs Size:7" Diameter 3' 1" MPT R440104 QuietMatala 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.