12 PACK UNIVERSAL FITTING ANTI-SIPHON from HD DIESEL TANK PRODUCTS
Strong welded stainless steel rings deliver the fastest fill-ups while preventing backpressure build up, eliminating splash-back, erasing frothing even at flow rates over 80GPM making refueling smooth and efficient ensuring faster fill-ups with and completely eliminating pump interruptions. Fits all Class 8 Semi's, (except Peterbilt) it offers premium quality and reliability trusted by fleets and individual owner operators alike. Engineered for durability and ease of use, this anti-siphon protects your fuel while optimizing your refueling experience.
 
EASY TO INSTALL
Installs in some Semi's like Kenworth in as little as 10 seconds. (Just presses and locks into filler neck)
Other Semi's instal an a few minutes with no special tools
 
INCLUDES PRECISE CUSTOM FITTING ADAPTORS
Adaptors are used for Heavy Duty Kenworth, International and Volvo/Mack Semi's Trucks
No adaptor is required for Heavy Duty Freightliner Semi's
 
FASTER FILL-UP CAPABILITY
Time saved at the the pump
Fire Department tested flow rates exceeding 200 GPM!
No Frothing, No Splashback and No filling interruptions at the pump!