Replacement Filter Cartridge for Sundstrom SR99 Compressed Air Filter (incl SR49/SR79).
This cartridge consists of two P3 (SR510) filters and about 450 grams of active carbon.
If you are using this in an environment with normal air quality, this cartridge should have a useful life 6-12 months.
Part Number: 122-00033
Weight: 1086 grams