Shop Our Products. Mastercool Store / Mastercool Refine by Sort by We recommend Newest arrivals Price: Low to High Price: High to Low Name: A to Z Name: Z to A New Mastercool Deluxe R134a/R1234yf Conversion Kit, 83736-K Mastercool Deluxe R134a/R1234yf Conversion Kit, 83736-K $65.00 Mastercool 37° Flaring & Double Flaring Adapter Set, 71098 Mastercool 37° Flaring & Double Flaring Adapter Set, 71098 $60.00 Mastercool A/C Manual Hose Crimper, 71550 Mastercool A/C Manual Hose Crimper, 71550 $150.00 New Mastercool Heater Attachment For 300 CFM Blower Fan, 20300-HTR Mastercool Heater Attachment For 300 CFM Blower Fan, 20300-HTR $35.00 Mastercool R134a Valve Core Tool, 81290 Mastercool R134a Valve Core Tool, 81290 $15.00
