... , revolve 4)long term stable performance FY005A 1/4"tube plastic straight mini check valve Brand nameFY Model NO.FY005-A ... 1/4"tube mini check valveMaterialplastic POM FM090, imported from TaiwanGasketNitrile rubber in ... , ro systems,watet filters, gardening irrigation system,hydraulic pneumatic equipment etc.Characteristiceasy and quick to load, unload and revolve, ...