Photo 1 of 111 PCS Brass DOT Air Line Fittings with 100FT 1/4" DOT Air Line Kit Quick Connect 1/4" 1/8" 3/8" 1/2" NPT Thread Fittings with Pneumatic Tubing Set for Semi Truck Trailer or Industrial Air System

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Photo 1 of 111 PCS Brass DOT Air Line Fittings with 100FT 1/4" DOT Air Line Kit Quick Connect 1/4" 1/8" 3/8" 1/2" NPT Thread Fittings with Pneumatic Tubing Set for Semi Truck Trailer or Industrial Air SystemPhoto 2 of 111 PCS Brass DOT Air Line Fittings with 100FT 1/4" DOT Air Line Kit Quick Connect 1/4" 1/8" 3/8" 1/2" NPT Thread Fittings with Pneumatic Tubing Set for Semi Truck Trailer or Industrial Air System