Bottom Fill valve 

1. Pressure design,momentary shut off and anti-siphon 

2. Adjustment fill valve 

3.Filter for purity 

4.One bucket

Features:

1.Plastic or brass thread

2. Hold the line even if water pressure varies 

3. Pressure design,momentary shut off and anti-siphon

4. Refill adjustment

5. inching switch of 0-2" and filter for inside purity

6.Ajustable height

7. OEM service is Welcome