Sight Glass, 165° F, 500 psi, 4 in OD x 8 in L, Threaded Connection ORS NASCO radiation|Good blue light protection|Decreases total

Sight Glass, 165° F, 500 psi, 4 in OD x 8 in L, Threaded Connection ORS NASCO radiation Good blue light protection Decreases total radiation Good blue light protection Decreases total light from welding arc Good visibility into higher amperage welding areas For medium to medium high amperage in electric arc welding 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 Allows the pumper and water hauler to see what is flowing through drain lines at all times Clear view nipple is made from a tough shatter resistant polycarbonate This type of plastic has more than 30 times the impact resistance of safety glass Withstands prolonged exposure to ultraviolet rays