Mastercool 66534-R Low-Side Standard R134a Economy Automotive Coupler.

Mastercool's Economy Couplers are designed for efficiency and ease of use, especially in tight spaces. These couplers are engineered to attach seamlessly to existing R12 hoses, providing a secure connection to A/C service ports. The High Side R134a 1/4” FL-M x 16mm Economy Coupler and the Low Side R134a 1/4” FL-M x 13mm Economy Coupler are notable examples, each crafted to offer reliability and durability for HVAC professionals. Additionally, the availability of O-rings for these couplers ensures a proper seal and long-term performance. Mastercool's commitment to quality is evident in these products, which are part of their comprehensive range of air conditioning and refrigeration service tools and equipment.