Matala Hakko Self-Weighted Diffuser Discs Size:7" Diameter Available in the following media

Available in the following media types:

typically in 2-4 weeks

Internal re-circulation prevents overheating and ejects obstructing debris

especially waterfalls

Size UPC Code Treatment Area 4oz Bale 855938000017 500 Gallons (3) 4oz Bales 855938000024 1

Matala Hakko Self-Weighted Diffuser Discs Size:7" Diameter Available in the following mediaMatala 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.