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Running Men
4125 Market St #10
Ventura, CA 93003
(800) 235-3333
# MQ 303 Disposable Respiratory Therapy (Mainflow) Filter (50/case)

This high performance filter may be used as a disposable substitute for our number 3490/3492 reusable filters. It features a multi-layer, naturally hydrophobic and electrostatically charged filter media.
The media is integrated into a clear, compact, lightweight filter housing for optimum flow dispersion and utilization of filter surface area.

  • Compressible Volume: 38 ml
  • Recommended Min. Tidal Volume: 100 ml
  • Flow Resistance: 1.56 cm/H2O at 50 LPM
  • Weight: 16 g
  • Filtration Efficiency: 99.98%
  • Connections: 22 mm Female - 22 mm Male/15 mm Female
  • Filter Media: Polypropolene
  • Casing Media: Polyethlene
MQ 30301 Includes 6 inches of 22 mm ID tubing on one side and an adapter on the other side to make it a 22 mm OD connection.

Last Updated: 30 Mar 2022

Qty Product Catalog Number Price

RESP THERAPY FILTER (50/case) MQ 303 199.00
  Buy 5 or more for $182.00 each

RESP FILTER, ADAPT & HOSE (CS/50) MQ 30301 224.00
  Buy 5 or more for $209.00 each

Coupler, hard, both ends 22mm ID (50) 1468 51.00
  Buy 5 or more for $49.00 each

Coupler, soft silicone, both ends 22mm ID (10) 1469 47.00
  Buy 5 or more for $40.50 each