The Blue-White Industries A-014N-6A is a 3/8" x 3/8" anti-siphon valve with .5 - .25 male pipe threading. It is a genuine Blue-White product.
Tube Assembly A-100N (-4T) 1/4" OD Norprene 3/8" OD Tube Compression fitting
Price: $64.45
Flow Indicator, for Rainbow offline chlorinators
Price: $20.49
Tube Assembly A-100N (-6T) 3/8" OD Norprene, 3/8" OD tube
Erosion Feeder, Chlorine or Bromine, 30 lb capacity
Price: $345.26