Place the smokeless log in any wood fireplace for a real fire with no smoke, no sparks and no odor. Looks like gas fireplace logs or an electric log, but burns gel fuel cartridges. Ventless and perfectly safe. No mess and no cleanup. Fire lasts about 2 hours per cartridge. Can be extinguished anytime with included snuffer. Provides approximately 5000 BTUs of heat. Eco-friendly — recycle cartridges as you would any other empty metal can. Instant fireplace repair. Log fits nicely in most wood fireplaces providing a real fire without smoke Ventless, odorless and perfectly safe Can be used in broken wood fireplace Substitutes for electric logs but provides real fire, no light bulbs 8-pk. replacement cartridges Item# 172919 sold separately Log plus cartridge equals an instant fireplace repair 21in.L x 8in.D