Fluorescent Fixture Area
24"L Cage
16" Fixture
18" Fixture
A 24" fixture will also fit in this size cage but it will overhang the right and left side about half an inch.

36"L Cage
18" Fixture
36" Fixture
A 36 " fixture will fit in this size cage
 
but it will stick out the left and right side about half an inch.

48"L Cage
36" Fixture
48" Fixture
A 48" fixture will fit in this size cage
but it will overhang the left and right side about half an inch.

Four 48"L & Two 24"L Cages
When stacking cages you can access the fluorescent fixtures by
sliding them out the side without taking down the stack.
This feature makes it extremely easy to change Fluorescent Light bulbs.
Six 24"L Cages
Stacks like this can use six individual fluorescent fixtures
or three 48" fixtures. Each 48" fixture would span across two cages.

60"L Cage
48" fluorescent light fixture in our new 60"L cage
Two or more smaller fluorescent light fixtures can also be used