NOSOK Filter Sock No Sock Replacement Silencer Cup - VCA

Stop Wrestling With Filter Socks If you’re over the constant cycle of rinsing, bleaching, and replacing filter socks, the NoSoK Filter Sock Replacement Silencer Cup is a breath of fresh air. It fits right into standard 4-inch and 2.75 inch sock holders and lets you run your sump without socks at all — all while reducing splashing and keeping water flow steady. Pair it with your favorite media and you’ll still catch plenty of detritus, just without the constant upkeep. It’s a simple, durable upgrade that makes sump maintenance a whole lot easier.