VEVOR HVAC Air Purifier Whole House, 18W 7inch, UV UVC Light in Duct for Ac (Air Conditioning) Duct, Air Scrubber with 2 Replacement Bulb, HVAC UV lights for Ac SystemsEfficient Air PurificationReliable and Durable QualityEasy to Use and MaintainWide ApplicationStrong CompatibilityScentless PurifierPower Cord Length: 4.92 ft / 1.5 m,Housing Dimensions: 6.89 x 4.96 x 1.57 Inches / 175 x 126 x 40 mm,Bulb Quantity: 2,Spare Bulbs: 2,Color: Black,Item Model Number: 2006-UV9X2,Rated Power: 18W (9W per bulb),Product Dimensions: 6.89 x 4.96 x 8.54 Inches / 175 x 126 x 217 mm,Net Weight: 0.97 lbs / 0.44 kg,Wavelength: 254nm,Bulb Length: 5.71 Inches / 145 mm,Main Material: ABS AF312C-NP