[elecena] 300931 Gas detector for refrigerant (HFC) with internal sensor - zmiany ceny GX-K1 gas alarm with internal sensor 300931 Gas detector for refrigerant (HFC) with internal sensor - 134.32 EUR https://elecena.pl/product/26184014/300931-gas-detector-for-refrigerant-hfc-with-internal-sensor 2024-07-09 300931 Gas detector for refrigerant (HFC) with internal sensor - 160.22 EUR https://elecena.pl/product/26184014/300931-gas-detector-for-refrigerant-hfc-with-internal-sensor 2026-07-19