| APRILAIRE #10 WATER PANEL | 10 | 10 |
| APRILAIRE #12 WATER PANEL | 3 | 12 |
| APRILAIRE 500 BYPASS HUM W/AUTO | 2 | 500A |
| APRILAIRE 600 MANUAL BYPASS HUM. | 2 | 600M |
| APRILAIRE AIR CLEANER | 3 | 2210 |
| APRILAIRE AIR CLEANER | 3 | 2410 |
| APRILAIRE AUTO TRACK CONTROL | 4 | 56 |
| APRILAIRE BYPASS MANUAL HUMIDIFIER | 3 | 500M |
| APRILAIRE CIRCUIT BOARD / 760 | 3 | 4238 |
| APRILAIRE FAN BLADE / 760 | 2 | 4247 |
| APRILAIRE FEED TUBE FOR 600 | 2 | 4335 |
| APRILAIRE FILTER EAC-5000 | 10 | 501 |
| APRILAIRE FILTER MEDIA | 12 | 201 |
| APRILAIRE FILTER MEDIA | 19 | 401 |
| APRILAIRE FILTER MEDIA 2210 | 35 | 213 |
| APRILAIRE FILTER MEDIA 2410/440 | 49 | 413 |
| APRILAIRE HUMIDIFIER W/AUTOTRAC | 4 | 700AUTOTRAC |
| APRILAIRE HUMIDIFIER W/MANUAL CONTROL | 2 | 700M |
| APRILAIRE HUMIDISTAT | 2 | 60 |
| APRILAIRE HUMIDISTAT | 3 | 4655 |
| APRILAIRE MOTOR / 760 | 2 | 4237 |
| APRILAIRE ORIFICE / BLUE | 4 | 4232 |
| APRILAIRE ORIFICE / RED | 12 | 4021 |
| APRILAIRE ORIFICE / WHITE | 16 | 4007 |
| APRILAIRE ORIFICE / YELLOW | Out of stock | 4231 |