Click to expand Tap to zoom Ahlstrom 770723 PTFE Filter,25 mm 100 pack by Ahlstrom Save $-60.84 $60.84 | / SKU 770723 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart PTFE , 25 mm diameter, PORE SIZE 0.45 UM, 100/pk