![AmeriVent 3EIX4 Increaser, 3 x 4 in Connection, Aluminum/Steel [SKU: ORG7186208]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/600x600/products/89417/87401/7186208__45024.1692635551.jpg?c=1 "AmeriVent 3EIX4 Increaser, 3 x 4 in Connection, Aluminum/Steel [SKU: ORG7186208]")
Product Overview
Use to increase the vent size, A maximum of four steps of increase, Round shape, For gas fired appliances. [QTY/UOM: 1EA / 1EA]
![AmeriVent 3EIX4 Increaser, 3 x 4 in Connection, Aluminum/Steel [SKU: ORG7186208]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/1280x1280/products/89417/87401/7186208__45024.1692635551.jpg?c=1 "AmeriVent 3EIX4 Increaser, 3 x 4 in Connection, Aluminum/Steel [SKU: ORG7186208]")
![AmeriVent 4EIX5 Increaser, 4 x 5 in Connection, Aluminum/Steel [SKU: ORG7186265]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/89419/87403/7186265__36997.1692635552.jpg?c=1 "AmeriVent 4EIX5 Increaser, 4 x 5 in Connection, Aluminum/Steel [SKU: ORG7186265]")
AmeriVent
![AmeriVent 4EIX6 Increaser, 4 x 6 in Connection, Aluminum/Steel [SKU: ORG7186273]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/89420/87404/7186273__65845.1692635552.jpg?c=1 "AmeriVent 4EIX6 Increaser, 4 x 6 in Connection, Aluminum/Steel [SKU: ORG7186273]")
AmeriVent
![AmeriVent 3EIX5 Increaser, 3 x 5 in Connection, Aluminum/Steel [SKU: ORG7186216]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/89418/87402/7186216__63376.1692635552.jpg?c=1 "AmeriVent 3EIX5 Increaser, 3 x 5 in Connection, Aluminum/Steel [SKU: ORG7186216]")
AmeriVent
![AmeriVent 5EIX6 Increaser, 5 x 6 in Connection, Aluminum/Steel [SKU: ORG7186323]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/89421/87405/7186323__58745.1692635553.jpg?c=1 "AmeriVent 5EIX6 Increaser, 5 x 6 in Connection, Aluminum/Steel [SKU: ORG7186323]")
AmeriVent
![AmeriVent 4ETC Tee Cap, 4 in Connection, B, Aluminum [SKU: ORG7186281]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/84561/82632/7186281__23805.1692634143.jpg?c=1 "AmeriVent 4ETC Tee Cap, 4 in Connection, B, Aluminum [SKU: ORG7186281]")