HY-C 6" dryer exhaust ventguard, made of zinc and powder coated steel, 18 gauge steel hood and 10-gauge steel bars, durable powder coasted white finish, key-hole fasteners for quick and easy installation, one cap fits several vent sizes, prevents small animals from nesting in exhaust vents, code compliant with intl residential code m1502.3 and imc 504.4 and irc1-502.3.