Add an air breather / filter to any Rhino stackable tank.  

Choose from the following Air Breather Options:

• Desiccant Air Breather / Filter (1"): Offers better filtration to protect against even the smallest particulates that damages the effectiveness of your machinery.
• 2 Way Breather Cap (2"): Poly cap with 2 inch NPT external threads, Viton and Nitrile seals and self regulating valves.
• 1 Way Breather Cap (2"): Poly cap with 2 inch NPT external threads.

2 Way Breather Specs:

• 2 way vacuum & pressure relief
• Vacuum pressure: Valve opens at < .5 PSI differential.
• Positive pressure: Valve opens at 1.5 PSI differential.
• External Threads
• Seals: Viton & Nitrile standard
• Valves: Self-regulating
• UN approved

1 Way Breather Specs:

• 1 way vacuum relief
• Vacuum pressure: Valve opens at < .5 PSI differential.
• Positive pressure: Valve opens at 1.5 PSI differential.
• External Threads
• Seals: Viton & Nitrile standard
• Valves: Self-regulating
• UN approved