HVAC air differential pressure switch

{"cid":"54777","pid":"14707041","pimg_url":"\/\/img1.tradegrowthhub.com\/6a\/5c\/501508cc7440\/product\/37983413_s-w400xh400.jpg","name":"LEFOO LF31 UL Approved Boiler Furnace Duct Air Differential Pressure Switch Gas Water Heater Pressure Controller LF31","attrs":{"Price":"$12.00(1 - 49 Pieces) $8.00(50 - 499 Pieces) $7.00(500 - 999 Pieces) $6.00(>=1000 Pieces)","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"LEFOO"}}

{"cid":"54777","pid":"14707034","pimg_url":"\/\/img1.tradegrowthhub.com\/6a\/5c\/501508cc7440\/product\/37983355_s-w400xh400.jpg","name":"LF32 LEFOO micro air gas low adjust differential pressure switch to HVAC, central air conditioning fan pressure switch LF32","attrs":{"Price":"$15.00(1 - 9 Pieces) $14.00(10 - 99 Pieces) $12.00(100 - 999 Pieces) $10.00(>=1000 Pieces)","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"LEFOO"}}