Spears 1429-010, which is a 1-inch barbed PVC coupling, designed to connect two sections of flexible pipe or hose with a 1-inch inner diameter. It is made from gray PVC and has barbs on both ends to ensure a secure fit when used with hose clamps. This type of fitting is commonly used in irrigation systems, plumbing, and other applications where a tight seal is needed for fluid or gas transfer. 

Key features and specifications of the Spears 1429-010 coupling include:

• Material: PVC (Polyvinyl Chloride), which provides resistance to corrosion and a wide range of chemicals. 

• Size: 1 inch barb x 1 inch barb. 

• Type: Barbed coupling, designed for use with flexible tubing and hose clamps. 

• Pressure rating: Up to 270 psi at 73°F. 

• Temperature range: Up to 140°F. 

• Standards: Meets ASTM D2609 standards for plastic insert fittings and is certified by NSF for use with potable water. 

• Applications: Suitable for connecting polyethylene (PE) pipe, PVC/vinyl, rubber, and other types of tubing or hose. 

• Installation: Requires the use of hose clamps to secure the connection. 

• Durability: Designed for a tight seal and excellent grip with flexible pipe materials.