Model has an O-ring that is captured in a brass poppet to seal on a brass seat in the check valve body

and microorganisms

Bradley S45-2368 Bstn Ped Pnl Ppk-36 Circ Replacement Part

Compatible Grainger Part Number: 52RW77

2 non locking

Condor Indoor Entrance Mat, 6 ft L, 3 ft W, 1/4 in Thick, Rectangle, Charcoal - 6PXA5 Soap Dispenser Model has an O-ring thatEntrance Mat; Mat Color: Charcoal; Mat Width: 3 ft; Mat Length: 6 ft; Mat Shape: Rectangle; Mat Environment: Indoor; Mat Surface Pattern: Berber; Mat Weaving: Needle Punch; Mat Surface Material: Polypropylene; Mat Backing Material: Vinyl; Mat Thickness: 1 4 in; Edges: Vinyl Border; Legend: No Legend; Antimicrobial: No; Oil Resistant: No; Flame Resistant Fire Retardant: Not Flame Resistant or Fire Retardant; Mat Electrical Resistance: Electrical