Our 4″ Filter Media Cup Silencer is designed to eliminate the sound of trickling water from your sump.
Key Features:
– Easy removal from cup with large middle opening
– Trident shaped media bag hooks that allow you to remove your media bag without sticking your hand into your Filter Media Cup. #Gross
– Works with our 4″ Filter Media Cup as well as Standard 4″ Filter Socks (looser fit on 4″ sock).


Wipe silencer with distilled vinegar, then place on top of your Filter Media Cup.


4″ – 4in Diameter¬≠ w/ .75in hole for a finger
7″ – 7in Diameter w/ .75in hold for a finger


100% Virgin Delrin BPA free

Our silencers were designed for our brand of Filter Media Cups. They will fit onto other brands and filter socks, but may not be as tight of a fit.

Patent Pending


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Visit Us

2904 29th Ave. E.

Suite B.

Bradenton, FL. 34208

Contact us

(941) 704 – 2599

Open Hours

M-Th: 8am – 6pm

Fri: 10am – 2pm

Sat-Sun: Closed