I just purchased new coach batteries ...
When the techs removed the flow-rite fillers from one of the batteries the (yellow) manifold broke on one of the batteries.
I sent a digital picture to the company.
They are sending a replacement at no cost ...
Here is another example of a company standing behind their product ...
2012 Buick Enclave
Present At home Home: Oshkosh, WI
former owner 2004 Winnebago Journey 39W