Overview Reviews Product Description R404A, R407C, R507A, R134A BRASS 2-WAY M 56161 California Residents only WARNING: Cancer and/or Reproductive Harm - www.p65warnings.ca.gov Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Mastercool Mastercool 56161 - R404A, R407C, R507A, R134A BRASS 2-WAY M Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Review Subject *Comments