Select your corresponding PRO SERIES air pumper model to receive the filter you need.

*Comes Pre-Installed with PRO SERIES helmet air pumpers*

Backup Filters are perfect for easy swapping between long races and rides!

Say Goodbye to Bulky Cloth Filters.

Here at LP Engineering, we use foam true dust-filters by Uni Filter. After a long day of riding: easily unclip your filter from the air pumper, pull out the foam filter, and rinse it off with water to clean out all the dust: no soap or other solution required!

Which Size Do I Need?

Simply choose the option that matches the model of your LP Engineering PRO SERIES Helmet Pumper. The MX4 model uses two full-sized filters while the MX2 and MX1 models use a single full-sized filter.

'MX2 / MX1' fits the following PRO SERIES models | Includes 1 Full-Sized Filter:
BLR-MX1, BLR-MX2, MX2 (Gen II)

'MX4' fits the following PRO SERIES models | Includes 2 Full-Sized Filters:
BLR-MX4, MX4 (Gen II)