Schwartz 3-1/4"x14" Tuffy End-O-Line Socks--9 Boxes of 50

Tuffy Filter Media is a multi-purpose non-woven material designed to have the strength speed and capacity to function efficiently in vacuum gravity and low or high pressure pipeline installations.3-1/4″ x 14″ Tuffy Defoamer Sock. 50 socks per box. Case of 9 boxes. Wt. 10 lbs.