Schwartz 4-7/8"x28" Tuffy Filter 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.4-7/8 x 28″ Tuffy Socks. 50 per box. Case of 9 boxes. Wt. 30 lbs.