Versaflo Replacement Sensor Kit for AP-621

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3M Versaflo AP-600 Replacement Sensor Kit AP-635

3M Versaflo AP-600 AFP Series - Replacement Sensor Kit 3MMAP-635, for 3MMAP-621 CO/O2 Monitor - 1 Pack Includes: 1CO Sensor & 1 O2 Sensor
Designed for use with 3M Versaflo Supplied Air Respirator Systems, 3M has created a line known as the AP-600 Series. The series consists of air filtration panels that are lightweight, compact and portable. Produced for the purpose to filter certain common compressed air contaminants and regulate air pressure to ensure safety and protection against harmful particulates in an environment's air. Air Filtration Panels are used to control the pressure of air delivered to a supplied air respirator and to remove contaminants from compressed air to make it safer to breathe. The AP-600 series air panels have low back pressure which helps to enable their use in more applications where plant air pressures is restriction. In addition, with low backpressure, users can enable a wider choice of respirator system components.

The 3M Versaflo Replacement Sensor Kit AP-635 is designed for used with the AP-621 CO/O2 Monitor. The AP-635 is a replacement sensor kit that includes one replacement oxygen sensor and replacement carbon monoxide sensor. Note: 3M recommends replacing the sensors as a pair when needed.


  • Brand: 3M
  • Style: 3M Versaflo Replacement Sensor Kit AP-635, for AP-621 CO/O2 Monitor
  • Product Series: Versaflo AP-600 AFP Series
  • Product Type: Air Filtration Panel Accessories, Consumables and Spar Parts
  • Package Includes: 1 CO Sensor & 1 O2 Sensor
More Information
Brand3M Versaflo
Main CategoryRespiratory Protection
Prop 65N/A
Country of ManufactureUnited States
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3M Versaflo Replacement Sensor Kit AP-635