My entry plus:
1 = 3-1" drain system. With all bulkheads and drain piping (included).
2 = 2 John Guest fittings with attached 3" Acrylic tubing (included) in Refugium for Nutrient Dosing.
3 = 2- 3"x1.5" Wire management portals
4 = 1 John Guest fittings with 3" tube (included) for ATO input.
5 = 1-1" Bulkhead (included) for a return pump.
6 = 3 more John Guest fittings with 3" tubes (included) for Cal/Alk/Mag dosing in the return section.
7 = Adjustable Skimmer Baffle to allow you more precise control the water level in the skimmer chamber based on your exact Skimmer requirements. Ranges from 5" to 14".
8 = Clear removable Algae Guard to stop the migration of algae from the Refugium Chamber.
9 = Adjustable Overflow Baffle. This allow the user to control the flow of water entering the Refugium. The user can have a top of the water column passive flow, or a more aggressive lower flow or any combination of the two.
10 = Overflow Baffle with laser cut slots and diamonds for varying flows.
11 = CRA probe Holder, Designed for 3 normal probes and 1 larger (Temp) all being adjustable.
12 = Return Chamber 14.5"x 6".
13 = Fully Removable Media Rack measuring 3"x 14.5".
14 = Skimmer Chamber measuring 8.5"x 14.5".
15 = Refugium Chamber measuring 15.5"x14.5" and holding approximately 13 gallons.
16 = Adjustable Refugium to Skimmer Chamber baffle. With this the user can control the height of the refugium water level independently from the skimmer chamber.
all these features make this design top notch