Whatman PVDF Mini-UniPrep syringeless filters, 0.45 µm, translucent housing, standard cap, 1000 pack, UN503NPUAQU Regular Price $2,077.08 Price $1,803.78 Add to Cart Whatman 6883-2504 GD/X 25 mm Syringe Filter, regenerated cellulose filtration medium, 0.45 um (1500 pcs) Regular Price $3,152.78 Price $2,737.94 Add to Cart