$50 - Used 100gpd RO/Di (requires filters)
$25 - New RO reservoir 5 gallon/2 left
$10 - New Clear filter housing/2 left
$25 - New Refractometer 10ATC/3 left
$5 - New 24/36/48 T5HO Lamps (10K/Super Actinic)/have many
$5 - New Solenoid Switch (all plastic)/have many
$5 - New Float Level Switch/vertical or horizontal/have many
$3 - New Magmounts (various size reef magnets)/have many
If your looking for many of one item above, lets make a deal. Example 8 pack of T5 lamps/$32, 50 Pack/$100. 10 Float Level switches $35, 50 magmount variety/$100