A ¼-in NPT (tapered) fitting is required to thread into both sides of the pass-through.| Justrite Nitrogen Pass-Through with FM Approved Installation, Stainless Steel, 25974 Justrite Nitrogen Pass-Through with FM Approved Installation, Stainless Steel, 25974 The stainless-steel construction without a check valve allows flow in either direction.. The pass-through kit (model 25974) can be used on the sides or back of flammable liquid safety cabinets.
Justrite Solvent Pass-Through Check Valve, Factory Installed, Stainless Steel, 25969. This unique system provides a means to dispense solvent through the wall of a cabinet.
| Justrite Nitrogen Pass-Through For Customer Field Installation, Stainless Steel, 25973 It can also be used for vacuum or pressure venting containers inside the cabinet.