Mainstays 1500W Electric 4-Element Infrared Cabinet Space Heater (Open Box) $21 at eBay $21 $56 eBay with vipoutlet has the open box Mainstays 1500W Electric 4-Element Infrared Cabinet Space Heater (HT1168) on sale for $23 - 10% off with coupon code VIPOUTLETAPR26 [Exp 4/30] = $21 with free shipping. See reviews at Walmart. $21 retail: $56 (-$5.00) Price Drop See Price History Posted by Faraday04/03/2026 at 04:42 PM PT