⦿ Good Sealing & 3 Sizes: Thread pre-coated PTFE - proof adhesive, the pneumatic quick connect fittings have good sealing performance. And it has 3 different sizes to choose from, the pneumatic straight quick connector contains 30 pieces fittings, 10pcs 1/4" fittings, 10pcs 5/16" fittings, 10pcs 3/8" fittings.
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