Top Brand Check Valve, 1/8 in, Single, Inline Piston, Stainless Steel, FNPT x FNPT - CHK SST 215-2F2F-F Width-12" Extra-large window lets you know

Extra-large window lets you know when it's time to refill

extended cap that allows users to hang items on either of its ends

Arrive fully assembled and can fold flat in seconds

The flame-resistant material won't burn immediately like cellulose mats

Includes Batteries: No

Top Brand Check Valve, 1/8 in, Single, Inline Piston, Stainless Steel, FNPT x FNPT - CHK SST 215-2F2F-F Width-12" Extra-large window lets you knowThis compact spring check valve can be installed in tight spaces to provide backflow protection for a variety of applications. The first connection listed is the direction of flow. The poppet design provides a positive seal down to approximately 1 2 psi.