Trend AIR/P/1 THP2 Filter Pack for Airshield Pro, suitable for use against solid particulates only Pack of 2 filters, suitable for use against solid particulates only. The Trend Airshield Pro Respirator is a fully protected powered respirator for use with all woodworking applications and is suitable for use when machining MDF. It is approved to new standard BS EN 12941.  Features:   Suitable for MDF For use against solid particulates only Filter efficiency 98% with a minimum laboratory protection factor of 50 Respiratory protection BS EN 12941:1999, respiratory devices, powered filtering dives class TH2P Specification:  Voltage: 240 volt Net Weight: 0.080kg  Airflow min: 160 l/min Motor sound level: 70 dB Battery: 8-hours NiMH battery Size of headband: 52cm-62 cm Airflow fully charged: 200 1/min Rating: DIY/Craftsman/Professional Eye protection: BS EN 166 (low energy impact) Respiratory protection: BS EN 12941 THP2(NPF50)