We are looking for: Beta"(p) pressure switch , (D)differential pressure switch & (v) vacuum switch ,"L" low pressure , "M"medium pressure, "H" high pressure, sensor body ,Ambient temperature: -30 to COMPLETE SWITCH C3‐V504H‐S2N‐S2‐2G1 ‐1,0/0/+2.8 B QTY : 1PCS SWITCH COMPLETE C3‐P504H‐S2N‐S1‐G2S 0.4 ‐3.9 BAR QTY : 2PCS Based on CPT TEHRAN AIRPORT or DHL in your earliest convenience . Your good cooperation and early reply is highly appreciated.