Over time the compression washers in your Perlick faucet may become dried out and/or crack from overuse. This is the replacement washer for Perlick 630 and 650 faucets.
Three Piece Airlock
Star San Sanitizer - 16 fl oz (473 ml)
Cascade Hop Pellets - 1 oz (28 g)
Citra Hop Pellets - 1 oz (28 g)