Cart Pressure Testing & Accessories Here you can find test caps, test plugs and other pressure testing tools. Showing all 7 results Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low 1-1/2″ Wing Nut Test Plug $4.35 Add to cart 1-1/2″ Flexible Cap (Cast Iron, PVC, ABS) $2.38 Add to cart 1-1/2″ Flexible Cap w/ Hose Bib (Cast Iron, PVC, ABS) $15.40 Add to cart 1-1/2″ Poly Test Cap $0.37 Add to cart 2″ Poly Test Cap $0.82 Add to cart 3″ Poly Test Cap $1.12 Add to cart 4″ Poly Test Cap $1.30 Add to cart