Chromafil Syringe Filters, PET-45/25, 0.45um, 25mm diam., PP/PET, colorless/orange, 100/pk: Buy now $122.00: 729020.400: Chromafil Syringe Filters, PET-45/25, 0.45um, 25mm diam., PP/PET, colorless/orange, 400/pk: Buy now $488.00: 729033: Chromafil Syringe Filters, PP/GF/PET-45/25, 1.0/0.45um, 25mm diam., black/orange, 100/pk: Buy now $154.00: 729033.400: Chromafil Syringe Filters, PP/GF/PET-45/25, 1.0/0.45um, 25mm diam., black/orange, 400/pk: Buy now $620.00