Best Seller | PARKER 4/200-35-BX Filter Element,For 4HET8,PK4 Compressed Air Filter Element, Filter Type Sterile, Filter Rating 0.01 micron, Filter Element Material Borosilicate Glass Microfibers, Compatible Grainger Part Number 4HET8, Compatible Manufacturer Part Number 8312N-1A1-BX, Filter Efficiency 99.99... ... more PARKER 4/200-35-BX Filter Element,For 4HET8,PK4 Compressed Air Filter Element, Filter Type Sterile, Filter Rating 0.01 micron, Filter Element Material Borosilicate Glass Microfibers, Compatible Grainger Part Number 4HET8, Compatible Manufacturer Part Number 8312N-1A1-BX, Filter Efficiency 99.99... | | $771.99 go to store |