• TREND AIR STEALTH LITE PRO: Lightweight dust mask for 8-hour protection with reduced user fatigue and minimal breathing resistance. • HEPAC-LITE FILTER: Filters particulates down to 0.3 microns with an efficiency rate of 99%+. Perfect for woodworking and construction uses. • REUSUABLE & REPLACEABLE: Comes with a reusable frame and head strap, plus 5 x Replaceable HEPAC-Lite Filters for a total of 40 hours of use. • COMFORTABLE MATERIALS: Hypoallergenic, silicone-free, soft rubber face seal to minimize inward air leakage for maximum protection. • DUST PROTECTION: Suitable for woodworking, masonry, demolition work, fiberglass, mixing concrete, mortar and plaster, welding, hand and power sanding.