Welcome to our forum.
Best price I found for Covermate that looked legit and didn't require winning an auction was here - http://www.hottubwarehouse.com/hot-tub-cover-liftsThey shipped right away and I had it in 3 days. They also do covers.But why a cover? Your A5L should come with a cover.
They don't "make" covers...they have them made for them. That said, I would have to greatly question their quality as they don't bother to list ANY of the specs, other than the weight of the vinyl, and even that I would have to question for accuracy.They do list "Breathable Underside Material", which will reduce the life of a cover due to allowing evaporating chemical to more easily contact the inside of the cover, deteriorating it more quickly.
Yes, and it's evaporating chemicals that destroy it thereby allowing moisture to get absorbed into the foam.
RHTubs dot com. I have purchased 8-10 from them with only one small problem. FYI Doc's old company.
Why didn't your tub come with a cover?