- Takes Just Seconds to Replace
This CRL Oval Vapor Cartridge for ES452 extends the useful life of the ES452 Dual Cartridge Respirator. To replace the cartridge and filter, simply unscrew the old ones from your mask, and slip in the new filter. Takes just seconds. Vapor Cartridges are available in boxes of 6, Pre-Filters are available in boxes of 10. Keep a supply on hand to be sure your respirators are ready to protect you and your workers.