This product is installed on the pipeline between the pressure reducer and the injection rail, which is used to filter the liquefied gas or natural gas after decompression, filter the low-pressure gas with high precision, effectively intercept the impurities in the gas, and prolong the service life of the injection railhttps://www.lvgechina.com/vacuum-pump-parts/lpg-filter-for-natural-gas-vehicle-cng-filter.html