Oatey 33403 Test Plug, 4 In Connection, Plastic, Red softener-safety-salt--07-22-26 It's safe for plumbing fixtures

It's safe for plumbing fixtures and plastic pipes

Molded thermo-plastic spacer guides allow for easy open or close action

Pushbutton feature allows for effortless change of ring

(1) 7/32 in

9 in L for access into tight spaces and reduced fatigue

Oatey 33403 Test Plug, 4 In Connection, Plastic, Red softener-safety-salt--07-22-26 It's safe for plumbing fixturesAbout This Product Plastic mechanical plug designed to hold higher pressures. Used for plugging open ended piping as protection from dirt, dust or debris. Maximum allowed air is 5 psig. Highlights Plastic mechanical plugs are premium plugs designed to hold higher pressures (4" Test Plug 0260372 33403)