Eye Wash Saline Concentrate, 70 oz, use with Fendall Porta Stream® I ORS NASCO and pliable side split cowhide Seams and pliable side split cowhide Seams are double lock stitched with 5 ply Kevlar® thread Riveted seams at major stress points for maximum durability 40 in adjustable waist with quick release strap Extension straps sold separately Ratchet can be set for right or left Also locks for non ratchet potable water (10:1 ratio) For use with Fendall Porta Stream® Eyewash systems Buffered saline eyewash Sterile and pH balanced solution is more hygienically reliable than conventional tap water which may contain contaminants Simple to use just mix with clean