SR 221 Pre-Filter Includes a rubber keeper on

Includes a rubber keeper on one end to ensure correct carabiner orientation

- ensures an improved strength-to-weight ratio

- protects markings from abrasion

to be used for rope access and on ropes courses

- wide opening for easy connection of the connector

SR 221 Pre-Filter Includes a rubber keeper onThe Sundstrom SR 221 pre filter is a non classified filter media designed to capture coarse and larger particles while extending the life of the particulate filter SR 510 and SR 710. The pre filter is placed in the prefilter holder which attaches to the particulate filter. Sold in a box of 80. Click here for info sheet: https: cdn. shopify. com s files 1 0055 9454 6294 files SR_221_PreFilter_info_sheet. pdf? v=1710189604