There are several accessories that can be used with PVC lay flat discharge hoses. Here are some common ones:

1).Couplings: Couplings are used to join two hoses together or to connect a hose to a pump or other equipment. They come in different sizes and materials to match the size and type of hose being used.

2).Clamps: Clamps are used to secure the hose to a fitting or equipment to prevent leaks or slips. They can be made of metal or plastic and come in different sizes and styles.

3).Strainers: Strainers are used to prevent debris or solids from entering the hose and damaging the equipment or clogging the hose. They can be made of plastic or metal and come in different sizes and shapes.

4).Nozzles: Nozzles are used to control the flow of water or other fluids through the hose. They can be adjustable or fixed and come in different sizes and shapes.

5).Valves: Valves are used to control the flow of fluid in the hose. They can be manual or automatic and come in different sizes and types.

6).Fittings: Fittings are used to connect the hose to other equipment or to change the direction of the flow. They come in different sizes and materials to match the size and type of hose being used.

These accessories can help to enhance the performance and functionality of PVC lay flat discharge hoses, making them more versatile and efficient for various applications.