Universal hose kit includes barrier hoses for use with R134a refrigerant. All Air Fittings are black coated with O-ring connections with crimp ferrules. Kits for the R134a include fittings with charge port. Includes 8 ft. of #6 (Liquid) refrigerant hose , 4 ft. of #8 (Discharge) refrigerant hose, and 5 ft. of #10 (Suction) refrigerant hose, along with #6, #8, #10 hose mounting clamps, tie wraps, O-ring set, air tight and flexible firewall grommets and fitting lube. Large Capacity Receiver/Drier supplied 6” x 2.5” with switch port for safety switch. Comes with a wide circle clamp supplied to mount your receiver/drier. Also supplied pressure switch, line fitting and wire harness. Our hi-low pressure switch kit is highly recommended in all A/C systems. Cuts out at 28 lbs. when the system runs low on refrigerant. When the system over-pressures, it cuts out at 380 lbs. to prevent compressor and hose damage.