Nalgene® Rapid-Flow™ Bottle Top Filters

Nalgene® Rapid-Flow™ Bottle Top Filters are manufactured with a polystyrene housing and an integrated membrane filter. These sterile disposable tissue culture filter units securely screw onto media bottles with either 33mm or 45mm neck sizes. These Nalgene Rapid-Flow bottle top filters allow vacuum filtration of liquid directly into sterile receiver bottles. CAUTION: Use only sterile bottles designed for use with vacuum. Always use safety shield during vacuum procedures.