0.22 um ptfe syringe filter Restek-Voa Vial Supplier. Restek Syringe Filters with Luer-Lok Inlet Syringe filters with Luer lock inlet offers leak-tight syringe connection. PTFE 0.22 μm Pack of 100 for $150.00 Add to cart 06-802-788 View Documents View Product. Get Price.