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Everbilt 1/4 in. OD Compression x 1/4 in. MIP Brass Adapter Fitting$7.56
Lead-free brass compression adapters are designed for higher pressure applications and easily connect two different-sized pipes. This fitting comes with a brass insert which helps form a tighter seal inside the tube. Boasting a corrosion-resistant brass construction, the adapter conforms to NSF 61 and 372 and is registered in Mass.