Fur 200, flying insect screen, for duro-therm, suburban, & durotherm, wasps, mud dauber nests, birds & rodents pose a serious threat to your rv water heater, furnace & stove, they can enter through vents & openings & cause serious damage by building nests that interfere with air flow, easy to install screens will help ensure that your vents stay free from costly invasion by unwanted pests.

• Fits Suburban, DuoTherm
• Protects the appliances from flying insect nests
• Includes tool to install
• Easy to use
• Heavy Duty Stainless Steel