Kozy Heat Chaska 25 Gas Insert Brand_TRC Both ends are 3" open

Both ends are 3" open with molded gaskets — rubber sealing rings formed integrally into each end cap

The Kozy Heat Bayport 36 is the smaller

and works well when adding smoking chips and chunks to add a variety of flavor profiles

Realistic Log Set

It's invisible from inside the spa

Kozy Heat Chaska 25 Gas Insert Brand_TRC Both ends are 3" openThe Kozy Heat Chaska 25 is the smallest gas fireplace insert in the entire Kozy Heat lineup engineered specifically for the most compact existing masonry fireplaces where even other compact inserts won't fit. With a fireplace opening requirement of just 25 7 8 inches wide (smaller than any other Kozy Heat insert), 26,000 BTU hr of clean direct vent heating, 77. 58% efficiency on natural gas, included battery backup for power outage starting, and