[DIY a Powerful Extractor] If you are planning to buy a professional extractor, this will be a good substitute. So you can save the expensive cost of a professional extractor. Our extractor wand can be used as a replacement for many extractor heads; More importantly, it can turn your wet/dry vacuum into an extractor[Transparent Head Design] The transparent head design allows you to see the dirt and impurities being cleaned and directly see the entire cleaning process and its effect in real time[Easy to Install and Reuse] The extraction tool provides long-term durability and you can continue to use it on tons of interior projects. Very easy to use for upholstery cleaning, car detailing, and mattress cleaning[Versatile Use for Home and Vehicle] Our high-quality vacuum wand is safe for furniture, upholstery, carpets, rugs, mats, etc. for convenient deep cleaning needs. If you have a shop vacuum, you need a professional extraction head that can enhance its vacuuming capabilities and clean things quickly and easily. [Improved Compatibility] The connection has an inner diameter of 1-1/2 inches (38 mm), an outer diameter of 1.8 inches (45 mm). Compatible with truck-mounted portable extractors and most carpet cleaning systems. size:Head width 19 cm Material:plastic colour:white Package Contents: 1 x small carpet shampooer Only the above package content, other products are not included. The item in the picture is a little different from the real thing. The measurement allowed error is +/- 1-3 cm.