Feature: 1. With filter basket, fallen mites pass through holes in the base and sides of the filter basket.2. Quick and easy to use, can measure the approximate number of mites in the swarm.3. Adopts high quality plastic material, non‑toxic and durable. It is essential for beekeeping4. Leakage free, tight‑fitting lid is leakage‑free and comfortable to use.5. Transparent bowl allows accurate counting and reliable sampling. Specification: Item Type: Varroa CheckMaterial: PlasticColor: As shown in the pictureProduct Size: Approx. 15x10cm / 5.9×3.9inWeight: Approx.197g/6.9ozEquipment Needed: Ethanol-containing washing liquid, such as winter windshield washing liquid; or ethanol diluted with water in a ratio of 1:4.Collect the bees: Pour enough liquid at the bottom of the bottle to cover the bottom of the white basket.1. Choose a hooded brooding frame, locate the , isolate and protect her.2. Collect a bee sample and place it in the basket. You can use the equipment or use your preferred or current method to collect the sample.3. When the bees the required level, put the basket into the bowl containing the washing liquid, place and screw the lid, shake it once to soak the bees in the liquid to prevent them from escaping.4. Remove the lid and pour the washing liquid into the bowl to the liquid level shown on the transparent bowl. Package List: 1 x Varroa Check 1 x Instruction Manual On Aug-02-21 at 04:00:31 PDT, seller added the following information: