The AP191 is the same as the old version AE-S1, but with an added silver ion nano filter. Test results show that it can kill 99% of bacteria and is rated PM2.5. It also comes with a heavy duty industrial tape and safety harness for easy installation. The up and down movement of this product gives it a 180° air control to any A/C unit. The filter should be replaced every 6 months or when it becomes dark.

Material : HIPS + ABS