Filtropur BT25 Bottle Top Filter, 250ml, 0.45um, 24/cs (Sarstedt)

Filtration Receiver Bottle for Filtropur BT50, 500ml, 24/cs (Sarstedt)

Filtropur V25 Filtration Unit, 250ml, 0.2um, 12/cs (Sarstedt)

PES Filter Units (50mm membrane diameter), 250mL (0.2um pore size) Sterile , case/12 (Nalgene)

Stericup™ Quick Release-GP Sterile Vacuum Filtration System, 0.22µm pore size fast flow PES Express PLUS membrane, 500mL, 12/pk (Millipore)

Steritop-GP PES Filter Units, 500mL, 0.22um pore size, 33mm neck, radio-sterilized, 12/pk [TOPS ONLY] (Millipore)

Rapid-Flow™ Complete Filter Unit, PES Membrane, 500mL, Sterile, pk/12 (Nalgene)

VWR® Vacuum Filtration Systems, Standard Line, Complete Filtration Unit, 500mL, 75mm membrane, 0.20um pore size, 12/cs (VWR)