Gardner Commercial Grade Fly Trap - 40 watts Fusion Type_D It does not make use

It does not make use of chemicals and their by-products

The water treatment bulb has a quartz diameter of 15mm and is made out of ceramic

Guaranteed 100% Compatible Replacement Ultraviolet (UV) Lamp - Mercury Wavelength - 44 Inch Arc Length

and Reference modes

Gardner Commercial Grade Fly Trap - 40 watts Fusion Type_D It does not make useThe Gardner Commercial Grade Fly Trap is a resistant device designed to attract and catch flies within a range of 1250 sq. feet. This efficient trap takes advantage of UV Light with its 2 20 Watt Shatterproof UV Bulbs which attract the flies, and its 12 x 22 glue boards which catch the flies ensuring your rooms are bugs free. Free of pesticides or chemicals, and made of stainless steel, this fly trap is made to be extra resistant, dust & waterproof,