Whatman™ Polycap HD Capsule filters

Whatman Polycap HD capsule filters are heavy-duty polypropylene filters commonly used for general sample preparation, fine filtration, and refiltration for reverse osmosis, ultrafiltration, and microfiltration membranes. They are used in processing applications to filter buffers, solvents, reagents, and emulsions across industries including clean air and gas equipment, cosmetics, food and beverage, pharmaceuticals, semiconductors, and magnetic media. Polypropylene filter media, support system, and housing for broad solution, pH, and temperature compatibility Can be autoclaved with steam at 121°C for 20 minutes Manual vent with luer lock to bleed air from upstream or serve as an injection/sample port Available in 0.45, 1.0, 5.0, 10, or 20 µm pore sizes with multiple end-fitting configurations