4″ & 7″ filter sock silencer (aquarium refugium sump micron bag)

– Fits the lip of standard 4″ or 7″ inch filter socks
– 4″ silencer – 3.7″ diameter
– 7″ silencer- 6.35″ diameter
– reduces noise
– made from 1/4″ cell cast acrylic
– laser cut
If you need a custom size please contact for quote
Made in the USA
Veteran Owned