ArrestAir-Pro - grilles for external walls
	Order Code:	Features Include:
	ARR-PRO 135T	ArrestAir-Pro vane technology Universal nominal coverage of 225x150mm (9"x6") or 150mm (6") diameter Stainless steel screws, plugs and installationinstructions 135 cm2 measured Free-area
	ARR-PRO 135W

Applications Include: Retro fitting over existing draughty airbricks / duct outlets, gas / oil boiler venting, gas fire venting, solid fuel venting and background passive room ventilation.

ArrestAir-Pro + DiffuseAir - complete through wall kits
	Order Code	Features Include
	ARR-PRO 90CT	ArrestAir-Pro 350mm (14") long, 128 mm (5") dia plastic tube Internal inverted quad directional grille DiffuseAir. Stamped ‘Important Do Not Block’. Stainless steel screws, plugs and installation instructions 90 cm2 Free-area equivalent Gas: Max rated input 25 kW 85,000 BTU
	ARR-PRO 90CW
	ARR-PRO 100ST	ArrestAir-Pro Plastic telescopic wall sleeve for solid/cavity walls 225 to 380mm (9" to 15") thick Internal inverted quad directional grille DiffuseAir. Stamped ‘Important Do Not Block’. Stainless steel screws, plugs and installation instructions 100cm2 Equivalent Free-area Gas: Max rated input 27 kW 92,000 BTU
	ARR-PRO 100SW

Applications Include: Gas / oil boiler venting, gas fire venting, solid fuel venting and background passive room ventilation.
Oil - Burning & Solid Fuel Appliances With An Output up to 45kW
Oil Burning Appliance - A permanent air entry opening with a total free area of at least 550mm2 /kW of appliance rated output.
Solid Fuel Burning Open - A permanent air entry opening or openings with a total free area of at least 5,500mm2 or 50% of the appliance throat opening (whichever is the greater). (Note - if a boiler damper is fitted, the area should be measured with the damper closed).
Other Solid Fuel Appliance - A permanent air entry opening or openings with a total free area equal to at least the combined areas of the primary and secondary air inlets to the appliances.