Clear Flexible 1/8" ID x 3/16" OD Vinyl Tubing Length of Tubing:15 Feet The unit is operated manually

The unit is operated manually or thermostatically using the hand-held transmitter

and figurines

There are indentations on the bottom of the two back legs which may look like an air pocket

you must have a junction box that is in working condition under your fireplace

Clear Flexible 1/8" ID x 3/16" OD Vinyl Tubing Length of Tubing:15 Feet The unit is operated manuallyOur 1 8" Tubing is a great product for a large variety of projects. This flexible tubing can be used for insulation coverings, drain lines, coolant lines, beverage tubing, laboratory tubing, and to protect large size fishing lure hooks. We recommend this size tubing for hook sizes: 5 0 for northern pike, muskie, and saltwater fishing hooks. PROPERTIES Hardness: 68 Shore A Tensile Strength: 2000 PSI Elongation at Break: 400% Maximum Temperature: 158F