Established in 1998, China Xiaowei Bearing Co., Ltd. is a high-tech enterprise specializing in 4 coupling manufacturer and design many kinds of bearings. We have a modernized staffs of tech research and fog machine development, ISO9001 certificated, and manufacturing adopts advanced domestic and foreign standards such as GB, API, JIS, DIN, BS, NF and ANSI. Our custom 4 couplings are exported to countries and regions in Europe(UK, France, Italy, Germany), North America(USA, Canda), the Middle East and Southeast Asia.

Outer diameters; 4¼" x 4¼"
4" connector coupling let's you connect 2 flat ended fittings together.
Example: connect a Y to a T, or Elbow to Y.
The 4" Connector Coupling let's you connect two flat ended fittings together with it's two compressed ends. For wet or dry use, this coupling is ideal for messy corners, dusty top shelves, even those cobwebs up high. Along with this handy accessory, the Shop-Vac offers the most complete line of vacuum cleaners available for industrial and commercial applications, plus a wide range of accessories that are specifically designed to meet the heavy-duty cleaning needs of the sanitary maintenance professional. Couples (2) 2.5" hoses for extended reach. Helps get those hard-to-reach corners of the shop. Shop-Vac is recognized as the world leader in wet/dry vacuums. Along with this handy accessory, Shop-Vac offers the most complete line of vacuum cleaners available for industrial and commercial applications, plus a wide range of accessories that are specifically designed to meet the heavy-duty cleaning needs of the sanitary maintenance professional.

Gilmour Mfg 3/4 Hose Repair Male Coupling C34MB10. GILMOUR MANUFACTURING. Heavy-dusty stainless steel construction, designed for long life. Adjustable stream from solid to soft spray. Excellent for cleaning jobs. Controls water supply easily and efficiently. Automatic shut-off conserves water. Rated up to 200 psi. Blue rubber cover. Made of Stainless Steel 303 for high strength and corrosion resistance. Provided with two set screws made of Stainless Steel 18-8. Bore Tolerance: +0.003/ -0.000 inches. 8-foot hose connects camping appliance to bulk propane tank. Fitted with brass couplings. Type 1 (QCC1) coupling. Fitted with brass couplings, this 8-foot hose connects a camping appliance such as a stove to a bulk propane tank. The hose has a Type 1 (QCC1) coupling. Shop-Vac is the recognized world leader in wet/dry vacs. We have maintained worldwide respect for more than 30 years by continuing to innovate and advance the technology of wet/dry vacs.