Features *Made of high quality material, durable and practical to use. *Adapters 1-1/4, 1-7/8 and 2-1/2 fit a wide variety of shop vacuums from 1 gallon to 20 gallons. *The 1-1/4 and 1-7/8 adapters are primarily suitable for small sized for shop-vacs from 1-9 gallons, but will also fit some larger vacuums, such as for Stanley SL18701P-10A 10-gallon and for Craftsman CMXEVBE17656 20 Gallon. *2- 1/2 adapter fits large wet/dry vacuums from 10 to 20 gallons. *The suction head is 38mm inner diameter and 45mm outer diameter, suitable for most vacuum cleaners *The material of the water absorption head is thickened, engineering plastics are durable, and the water absorption effect is good *Nozzle tips are great for car upholstery, carpets, stairs and hard to clean places. *Three adapters fit any size/capacity wet/dry vacuum cleaner of all s. Specifications Adapters Size:1-1/4, 1-7/8,2-1/2 Nozzle Size:ID 38mm,OD 45MMS:150x93mm,M:192x190mm Color:black,clear Fit modle:Most vacuum cleaner Package Contentsoptional: 1X nozzle 1X1-1/4 Adapters 1X1-7/8 Adapters 1X2-1/2 Adapters Note 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.