Min. Order Reference FOB Price
1 Piece US$15.00 / Piece
Product Description
HX-4, HXF-4 with exhalation nozzle (fire resistance) breathing valve introduction HX-4, HXF-4 with exhalation nozzle (fire resistance) breathing valve is installed on the top of the indoor storage tank nozzle breathing, it can automatically adjust the oil storage tank internal and external pressure ...