Whatman PTFE Mini-UniPrep syringeless filters, 0.45 µm, translucent housing, standard cap, 100 pack, UN203NPUORG Regular Price $310.58 Price $270.07 Add to Cart Whatman Depth PP Mini-UniPrep syringeless filters, 0.45 µm, translucent housing, slit septum cap, 1000 pack, US503NPUDPP Regular Price $2,903.63 Price $2,524.90 Add to Cart