heninhill smart chicken brooder heater - 16''x12'' brooder plate for chicks, 200w chick heating plate with built-in adaptive temperature sensor, adjustable height for brooding box coop warmer is up for auction in Pet Supplies. The current bid is $3.00, 93% below the $45.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.