Reef vs. Reef LX
Here are a few differences between the Reef and Reef LX models:
1 - The Reef LX 270.6 and 320.7 use double 15mm. bottom panel construction for added strength.
2 - The Reef LX 270.6 and 320.7 will also have larger overflow boxes and 2 main adjustable main drains instead of one.
3 - The Reef LX models are 29.5" wide (front to back) vs. the Reef are 23.6" wide or 25.3" wide
4 - The Reef LX cabinets are full aluminum frame with composite water proof panels vs. the Reef that utilizes a UV coated solid plywood cabinet.
5 - The Reef LX will include a built in control center to organize and protect all your controller components.
6 - The Reef LX will have an optional standard 1" slip union to hard pipe the return pump.
Here are the links to both technical specification pages for more info.