American Hydroponics Fill and Drain Fitting - Pack of 10 Fill/drain fitting (custom bulkhead fitting with 1/2" screen, nut and O-ring). Can also be purchased as part of Fitting Kit (AH25017). ... More Details
Price: $33.98

American Hydroponics Overflow Fitting - Pack of 10 Overflow fitting (PVC tube and adapter with 1" screen). Can also be purchased as part of Fitting Kit (AH25017). ... More Details
Price: $48.01

American Hydroponics Fitting Kit (Fill Drain & Overflow) The industry standard! Includes one fill/drain fitting (custom bulkhead fitting with 1/2" screen, nut and O-ring) and one overflow fitting (PVC tube and adapter with 1" screen). Available individually. ... More Details
Price: $7.45

Speedy Clamp, 1/2", pack of 10 ... More Details
Price: $11.95

American Hydroponics 1/2" Y Fitting ... More Details
Price: $1.85