E-CAP321 Thermoplastic Vent Cap for Furnace Flue PVC Pipe| Half-Sphere GELOY CR7520 Resin Cover| Keep Small Animals Out Of Exterior Vent Outlets| Exhaust Cap Fits PVC Flue Pipes 1.5\",2\",&3\"| Pack of 2

E-CAP321 PVC Vent Cap for Furnace Flue Pipe | Hemispherical GELOY CR7520 Resin Cover | Keep Small Animals Out of Exterior Vent Outlets | Exhaust Vent PVC Cap Fits All Flue Pipe Sizes 1.5\", 2\", and 3\"