Selkirk® Gas Vent Increaser, RV Series, 4 x 6 in, Aluminum/Steel, Finish: Galvanized

• Used to increase pipe diameter
• Used for tight installations to optimize space
• Snap together non-positional lock system
• Die formed ends
• LockTab an alternative method to secure pipe when required by local code
• The use of our LockTab feature gives installers the option of engaging this tab instead of using sheet metal screws