Valterra A10-1322VP Bug Screen (RV Bug Vent Screen， 4.5″ X 4.5″ X 1.3″)，1 Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Fits Suburban furnace vent models 8535， 8531， 8525， 8940 DC and 8940 AC</li><li>Easy-to-Install screens</li><li>Minimal airflow restriction</li><li>Ensures that your vents stay free from costly invasion by unwanted pests (nesting insects， birds and rodents)</li><li>Includes installation tool and two spring fasteners</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51PpOpR4Q7L.jpg" noproxy>