Wave Goodbye To Varroa Mites With This ProVap 110 Commercial Oxalic Acid VaporizerFeatures: SHIPMENT MUST BE SIGNED FOR DURING DELIVERY Operates On 110v Takes just 20 seconds per hive Comes preset Includes 2 Caps To Hold OA. Includes OA Scoop For Correct MeasurementUse: This ProVap 110 Commercial Oxalic Acid Vaporizer will ensure that varroa mites are a thing of the past. This vaporizer is favored by professionals all over the world. It comes preset to the operating temperature of 230 C, which should take roughly two minutes to reach. The red sequence readout will display 230 when ready. Use 1 gram of Oxalic Acid per brood chamber,no matter the size; it mediums or deeps, eight or ten frames.Use gram on a Once the vaporizer is operational, each hive should take only 20 seconds to complete, making this the most efficient vaporizer on the those of you with serious varroa mite infestations, we also sell checkers, counters,varroa mite away strips, andoxalic acid wood bleach.[tab]Weight 4 lbsDimensions 13.25 10 4 in