Refrigerant Gas REFRIGERANT GAS R404A - 1 KG (NET 790 GR) GAS404A €109.00 R404A Refrigerant Gas in 1 kg cylinder (790 gr) It is a mixture of R143A, R125, R134A gases. R404A is the best replacement for R502 and is mainly used in new plants that work at low and medium temperatures. Add to cart