Deflect-o
Insect-Proof Mini Louvers, White, 3-In., 4-Pk.
4 26GA GALV ADJELBOW
Imperial 26 Ga. 4 In. Straight Galvanized Tee
Imperial 30 Ga. 4 In. Galvanized Tee Cap/Plug
Deflect-O DE904 Aluminium Vent Elbow ~ 4