When choosing a nozzle tee, there are several factors you should consider:

1. Material: Nozzle tees are made of different materials such as brass, plastic, and stainless steel. Choose a material that is durable and resistant to corrosion, depending on the application and the type of fluid you will be using.

2. Size: The size of the nozzle tee should match the size of the pipes and fittings you will be using. Check the inner diameter and outer diameter of the nozzle tee to ensure compatibility.

3. Type of Nozzle: There are different types of nozzles for different applications, such as spray nozzles, flat fan nozzles, and full cone nozzles. Choose the type of nozzle that best suits your application.

4. Flow rate: The flow rate of the nozzle tee is an important consideration, especially if you are using it for irrigation or spraying. Choose a nozzle tee with a flow rate that matches your needs.
   

5. Pressure rating: Nozzle tees have different pressure ratings, which determine the maximum pressure they can withstand. Choose a nozzle tee with a pressure rating that matches your application.

6. Brand reputation: Look for a reputable brand that produces high-quality nozzle tees and has a good track record in the industry.

7. Price: Compare prices of different models and choose one that fits your budget.

Overall, choosing the right nozzle tee requires careful consideration of the material, size, type of nozzle, flow rate, pressure rating, brand reputation, and price. By taking these factors into account, you can select a nozzle tee that is suitable for your specific application and will provide reliable performance.