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Single-Use Filter Funnels

Nalgene® MF75TM Series Sterile Disposable Filter Units are offered with different membranes for various applications and are easily identified by their collar color.

  • PES (Polyethersulfone) - blue collar: The ultimate cell and tissue culture media membrane. Low protein binding, low extractables, no external wetting agents, fast flow.
  • SFCA (Surfactant-free cellulose acetate) - yellow collar: Much cleaner than standard cellulose acetate. Low protein binding, no wetting agent. A Nalgene® product exclusive.
  • CN (Cellulose Nitrate) - green collar: The standard membrane for filtering of buffers and solutions.
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CP Lab Safety is a Woman-Owned California Small Business, manufacturer of laboratory safety products and distributor of leading lab supply brands. CP Lab Safety sells lab and industrial safety products including coated bottles, secondary containers, funnels, lab waste handling supplies, safety cabinets, safety cans and general lab supplies, and manufactures Safety ECO Funnel.

ECO Funnel® has revolutionized the way open waste containers are handled at leading pharmaceutical, biotech, industrial, academic and government institutions. Distributors include VWR, Grainger, and Fisher Scientific. We help labs maintain compliance with safety regulations regarding clean air, exposure to hazardous wastes, secondary containment, and fire safety.