Brickseek
Lowe’s
Dual fuel technology allows the unit to be operated with liquid propane or natural gas
Blue flame technology works by convecting heat to warm the air the same way as a central heating system
Up to 10,000 BTU’s/hr heats up to 300-sq ft
YMMV
https://www.lowes.com/pd/Dyna-Glo…100104345