Specification:

Shelf life: 3 Years.

Service life :5 Years min.

Pre-charge pressure (empty tank) :5-7 psi.

More valuable information:

Question : Where can we use this tank?

Answer : It is special used as storage tank for Reverse Osmosis System.

Question : What is dimension of 4.0 Gallon tank?

Answer :please leave space 11"x11"x17 for the tank.

Question : What is in the box?

Answer :Just 1 x 4.0 gallon tank in the box,you should buy tank ball valve separated.

Question : Where can I buy tank ball valve?

Answer :Please search product in our store or contact the seller. It is for 3/8" tube .

Question : BPA free?

Answer :Yes, BPA free.

Note:

1.It Is Recommended to Wait Until the Entire System Is Pressurized and Re-Check for Any Leaks Before Leaving Installation Site.

2.The First 2 Tanks of Water Produced Should Not Be Used