US$ 14.00
24 Stack DFU Air Admittance Valve with PVC Schedule 40 adapter is a one-way valve designed to allow air into the plumbing drainage system when negative pressures develop in the piping system
5" diameter cartridges
Potassium Chloride works in water softeners the same way that traditional water softener salt (sodium chloride) does
easily installed and removed test cap that does not fall into drain
Keeney Plumb Pak Garbage Disposal Stopper Whedon 24 Stack DFU Air AdmittanceGarbage Disposal Stopper PP820 11 For In Sink Erator 1 Per Bag.