MSA OptimAir TL Powered Air Purifying Respirator Kit for hoods with standard battery has thin and low-profile design for user comfort. Improved motor blower electronics allow for optimum airflow and the compact and ergonomic battery pack offers lightweight comfort and fit. Flow control sensors are activated by insertion of the cartridges and breathing hose to the blower housing. Excellent design features permit fast, hoods and batteries. Slim and curved PAPR housing helps to reduce fatigue and allows to work in tight confined area. It has audible and visual alarms for low flow indication and low battery voltage. Less bulk and better weight distribution improves worker efficiency. It is ideal to use in applications like chemical, hazardous materials, asbestos, mold and lead paint abatement and pharmaceutical. It includes crushproof breathing tube and sealing gaskets.