DuraVent Concentric Vent System 3" x 5" Roof Support reflective-glass Fireplace Size 50"

Fireplace Size 50"

Comes with Thermostat control

Log Style Options: Charred Split

Diameter 4" Size 18" x 18" Material 24/18 Gauge Stainless Steel

It doesn't require or include a remote or a thermostat in a vent-free installation

DuraVent Concentric Vent System 3" x 5" Roof Support reflective-glass Fireplace Size 50"An economical venting solution for condensing and noncondensing appliances, the Concentric Venting System (CVS) features a UL1738 approved super ferritic stainless steel inner wall. The proprietary twist lock connection eliminates use of clamps or mechanical fasteners and saves installation time. Only one penetration is needed through the roof or the wall for both exhaust and combustion air. Multiple pipe lengths and telescoping pipe extensions