Specifications:

Upgrade 3 generation-medium 2 [with breathable window/adjustable drainage/no drain version]]

Upgrade 3 generation-large 2 [with breathable window/adjustable drainage/no drain version]]

Upgrade 3 generation-extra large 2 [with breathable window/adjustable drainage/With drain version]]

Upgrade 3 generation-medium 1 [with breathable window/adjustable drainage/no draining version]]

Upgrade 3 generation-large 1 [with breathable window/adjustable drainage/no draining version]]

Upgrade 3 generation-extra large 1 [with breathable window/adjustable drainage/With drain version]]

Upgrade 3 generation-Medium 4 [with breathable window/adjustable drainage/no drain version]]

Upgrade 3 generation-large 4 [with breathable window/adjustable drainage/no drain version]]