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| Series | Heat/Cool | Water Valve | Louver Plenum | Pressurization/External Filter | OEM Only | Notes |
| 805-24 | Heat & Cool | Cable operated | Yes, Donaldson | Yes | ||
| 807-A | Heat & Cool | Electric | Yes | Yes, Donaldson | Yes | |
| 807-NF | Heat & Cool | Electric | Yes | Yes | 807-A less external filter | |
| 812 | Cool only | Yes, Donaldson | Yes | |||
| 817 | Heat & Cool | Cable operated | Yes |