pelletvent 3 in. stove pipe kit pelletvent 3 in pelletvent 3 in. tee with clean-out cap pelletvent 3 in. 90 elbow pelletvent 3 in. to 4 in. double-wall chimney pipe increaser pelletvent 3in. fixed vertical chimney cap pelletvent 3 in. wall thimble pelletvent 3 in. 45 pelletvent 3 pelletvent 3 in adapter