Ref#: SS10 - 4" / 7" Sock Silencer Tanks Pre-drilled 1/2" bulkhead return hole

Pre-drilled 1/2" bulkhead return hole may be applied upon request at no additional cost

Made of 3/8" Domestic Cell Cast Acrylic(Plexiglas G)

John Guest fittings with 1/4" hardline tubing included

Refugium Section (We Added teeth on the refugium baffle to prevent snails and chaeto from flowing into the return pump section)

Ref#: SS10 - 4" / 7" Sock Silencer Tanks Pre-drilled 1/2" bulkhead return holeMultiple colors: Clear and Dark Blue Red and White Black and Dark Blue Bright Yellow and White Orange and White 4" 7" acrylic sock silencer Decreases water flow noise Fits almost all standard 4" 7" sock Ships via UPS Ground fully insured Free shipping anywhere within the continental U. S.