Abatement Technologies® 1" Particulate Pre Filter For Use With H1800PAS Air Duct Cleaner (12 Per Case) Fibre Metal Safety Helmets this kit can even burn this kit can even burn wet or damp firewood Attribute Value Product Type Shock Absorbing Lanyard Trade Name Miller® Load Capacity 310 lbs Anchorage Connection Locking Snap Hook Number Of Legs Single Lanyard Material Kevlar® Web Working Length 6' Shock Absorbing Type SofStop® Harness Connection Locking Snap Hook Attribute Value Product Type Pre Filter Size Description 1" Use With H1800PAS Air Duct Cleaner Fiber trap pre filter is ideal to capture the coarsest particles circulating through air duct system and helps to extend the life of 2nd stage carbon pleated filter or HEPA filter