?Leakage prevention?This inflation valve cover has high safety air protection. The design of the valve cover ensures leakage prevention during inflation, and prevents air leakage or other effects under long-term use. The sealing effect is good and the protection is strong. ?Scope of use?The air cushion valve cover is designed for some brands of inflatable air cushion, such as air cushion. It is applicable to the inflatable mattress with 45mm hole. Please check the size before installation and use. If you are worried that it cannot be used properly, please consult us for confirmation. ?Easy to install and replace?this replacement air cushion cap will be installed in a hole with a diameter of about 4.28 cm, and will be equipped with a plug. It is very easy to install and replace. You will find it very convenient, without other complicated operation aids, and easy to operate and install. ?One-way inflation valve?This air cushion valve cover is a one-way inflation valve, which is suitable for rapid inflation. This product is applicable to the following air bed models: 66723, 66724, 66725, 68926, 66767, 66768, 66769, 66770, 69710, 66721, 66720, 67736, 66972, 66974, 69710 and 67716. It is installed and used in combination with the corresponding models to bring you a good application experience. ?Robust and durable?the replacement part of the three-in-one air cushion cap is made of high-quality plastic material, which is safe, firm and wear-resistant, has good impact resistance and durability, good sealing effect, and is not easy to be damaged by aging after long-term use. ?Leakage prevention?This inflation valve cover has high safety air protection. The design of the valve cover ensures leakage prevention during inflation, and prevents air leakage or other effects under long-term use. The sealing effect is good and the protection is strong. ?Scope of use?The air cushion valve cover is designed for some brands of inflatable air cushion, such as air cushion. It is applicable to the inflatable mattress with 45mm hole. Please check the size before installation and use. If you are worried that it cannot be used properly, please consult us for confirmation. ?Easy to install and replace?this replacement air cushion cap will be installed in a hole with a diameter of about 4.28 cm, and will be equipped with a plug. It is very easy to install and replace. You will find it very convenient, without other complicated operation aids, and easy to operate and install. ?One-way inflation valve?This air cushion valve cover is a one-way inflation valve, which is suitable for rapid inflation. This product is applicable to the following air bed models: 66723, 66724, 66725, 68926, 66767, 66768, 66769, 66770, 69710, 66721, 66720, 67736, 66972, 66974, 69710 and 67716. It is installed and used in combination with the corresponding models to bring you a good application experience. ?Robust and durable?the replacement part of the three-in-one air cushion cap is made of high-quality plastic material, which is safe, firm and wear-resistant, has good impact resistance and durability, good sealing effect, and is not easy to be damaged by aging after long-term use.Power Source: Handheld. Item Dimensions LxWxH: 3.94 x 3.94 x 3.94 inches. Item Weight: 0.05 Kilograms. Material: Plastic. Brand: Tbest. Color: Black. Date First Available: July 24, 2018. Best Sellers Rank: #164,192 in Sports & Outdoors. Customer Reviews: 3.7 out of 5 stars 363 ratings 3.7 out of 5 stars. : B07FT37M46. Size: ?As shown in the figure. Part Number: ?Tbestkgnadp71zm. Manufacturer: ?Tbest. Number of Items: ?1. Material: ?Plastic. Color: ?Black. Brand Name: ?Tbest. Item Weight: ?0.05 Kilograms. Item Dimensions LxWxH: ?3.94 x 3.94 x 3.94 inches. Package Weight: ?0.06 Kilograms. Item Package Dimensions L x W x H: ?3.35 x 2.28 x 1.65 inches.