How do the Standard, Optimizer and Atlas covers differ? Our easy to read chart below spells it out for you.
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Standard

Optimizer

Atlas
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Tapered Cores
4 – 2 1/2″
5 – 3″
5 – 3″
Core Density
1.5 lb
Upgrade Available
1.5 lb
Upgrade Available
2 lb
2 Vinyl Handles (Upgrade to 4 Available)
4 Wind Tough Straps
Extra Drainage Grommets (2/side)
Heat Stopper End-Pads
Full Length Heat Seal
Upgrade Available
Double Wrapped Cores
Upgrade Available
Upgrade Available
Inside Handles
Upgrade Available
Upgrade Available
Upgrade Available
Strength Rating
310
465
1000+
Insulating R Value
15
17
21