Add to Cart 3/8' Barb 3/8' Nptbrass Asv MOELLER MSRP: $22.95 Now: $21.50 Was: Anti-Siphon Valve; 3/8 Inch Barb x 3/8 Inch NPT; Straight; Brass; ABYC H-24 Approved; Single MSRP: $22.95 Now: $21.50 Was: Add to Cart