Equipped with two sizes of PVC adapters: Small size PVC adapter: fits spiral-wound hose in 37mm to 40mm outer diameter; Large size PVC adapter: fits spiral-wound hose in 45mm to 48mm outer diameter. Compatible with portable extractors & truckmounts and most carpet cleaning systems. 304 Thick Stainless Steel Pipe: compatible with portable extractors & truck mount and most carpet cleaning system for optimal cleaning support.pipe length 8.2 inch, inner diameter 1.4 inch, outer diameter is 1.5 inch. Clear Head: inner diameter 1-1/2 inch(38mm), outer diameter 1.8 inch(45mm), head width 3.6 inch(92mm). Our Extractor Hand Wand can be used as a replacement for many Extractor heads; More importantly, it can turn your wet/dry vacuum cleaner into an extractor. If you are considering buying a professional extractor, it be a good substitute. The transparent head design allows you to see the dirt and impurities being cleaned, and directly see the entire cleaning process and effect. Great for extracting solutions from vehicles and living room upholstery. You can use it to clean stairs, car , carpets, furniture, seats, cushions and all other hard-to-reach places. SUPERIOR QUALITY AND REUSABLE: The vacuum attachment hand wand is made of high-quality materials for long-lasting durability and elasticity, very and easy to use