Click to expand Tap to zoom Ahlstrom 770523 Membrane Filter PES,25 mm 100 pack by Ahlstrom Save $-60.84 $60.84 | / SKU 770523 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart PES , 25 mm diameter, PORE SIZE 0.2 UM, 100/pk