Camco Flying Insect Screen | Features a Heavy-Duty Stainless Steel Mesh Cover and Fits Most Duo-therm and Suburban Furnace Vents (42141) 2 Count (Pack of 1) Description Wasps, mud daubers, birds and rodents pose a serious threat to the furnace on your RV. They can enter through the furnace vents and cause serious damage by building nests that interfere with air flow. Camco 42141 (Model FUR 200) Flying Insect RV Furnace Screen fits Duo-therm and Suburban furnace vents. As Camco offers several furnace screens, consult size and photos to confirm this screen will fit your furnace vent. This easy-to-install screen will help ensure that your furnace vent stays free from costly invasion by unwanted pests. Features: Screen measures 2-7/8" diameter x 1-5/16" tall Fits most Duo-therm and Suburban furnace vents Protects the furnace from flying insect nests Easy to install, includes tool Heavy-duty stainless steel mesh cover Product Details: Brand: Camco Color: Stainless Steel Style: FUR200 Material: Plastic Product Dimensions: 2.88"L x 2.88"W x 1.31"H Item Weight: 0.22 Pounds Number of Pieces: 1 Is Electric: No Target Species: Birds, Wasp Brand: ‎Camco Color: ‎Stainless Steel Style: ‎FUR200 Material: ‎Plastic Product Dimensions: ‎2.88"L x 2.88"W x 1.31"H Item Weight: ‎0.22 Pounds Number of Pieces: ‎1 Is Electric: ‎No Target Species: ‎Birds, Wasp Manufacturer: ‎Camco Model: ‎42141 Item Weight: ‎3.52 ounces Country of Origin: ‎China Item model number: ‎42141 Is Discontinued By Manufacturer: ‎No Manufacturer Part Number: ‎42141 OEM Part Number: ‎42141 Date First Available: September 14, 2005