Hood Extensions
| MODEL | PART # | |
| WHITE | BLACK | |
| AF10/12 | E52-8002 | E52-8052 | 
| AF14 | E52-8003 | E52-8053 | 
| AF16 | E52-8004 | E52-8054 | 
| AF18 | E52-8005 | E52-8055 | 
| AF20 | E52-8006 | E52-8056 | 
| AF24(OS) | E52-8008 | E52-8058 | 
| AF24E/25 | E52-8008 | E52-8058 | 
| AF28 | E52-8012 | E52-8013 | 
Elbow Style Hoods
| MODEL | PART # | |
| WHITE | BLACK | |
| AF16 | E52-8104 | E52-8154 | 
| AF18 | E52-8105 | E52-8155 | 
| AF24E/25 | E52-8108 | E52-8158 | 
| AF36/36E | E52-8009 | E52-8059 | 
*ADVISE IF ENDS ARE TO BE CUT OUR OF LEFT IN FOR SHIPPING*
Backdraft Dampers
| MODEL | PART # | 
| AF18 | E52-6565 | 
| AF20 | E52-6566 | 
| AF24E | E52-6568 | 
Normally used on second stage fans to help prevent backdrafts causing chills and unnecessary heat loss.
Heavy Duty Winter Covers
1-1/2″ thick double weather strip.
| MODEL | PART # | I/S DIM. | 
| AF12 | E52-6502HD | 13-5/8″ SQ. | 
| AF14 | E52-6503HD | 15-5/8″ SQ. | 
| AF16 | E52-6504HD | 17-5/8″ SQ. | 
| AF18 | E52-6505HD | 19-5/8″ SQ. | 
| AF20 | E52-6506HD | 21-5/8″ SQ. | 
| AF24(OS) | E52-6508HD | 25-5/8″ SQ. | 
| O/S (RSO 28″sq.) | ||
| AF24E/25 | E52-6516HD | 29-15/16″ SQ. | 
| AF28 | E52-6512HD | 32-15/16″ SQ. | 
| AF36 | E52-6509HD | 38-1/16″ SQ. | 
| AF36E | E52-6520HD | 41-7/8″ SQ. | 
| AF48 | E52-6510HD | 50-3/4″ SQ. | 
| AF50LE | E52-6543HD | 62-1/4″ x 57-1/8″ | 
| AFG50LE | E52-6541HD | 62-3/4″ x 57-1/2″ | 
| FG50 | E52-6544HD | 55-3/4″ SQ. | 
| AFG60L | E52-6542HD | 63-1/8″ SQ. | 
| MISC | E52-6547HD | 84″ SQ. | 
*FOR CUSTOM SIZED WINTER COVERS PLEASE SEE CUSTOM ORDER SHEET*
Discharge Cones
Must be installed on-site.
| MODEL | PART # | |
| WHITE | BLACK | |
| AF24E/25 | E52-9025 | E52-9026 | 
| AF36/36E | E52-9009 | E52-9059 | 
| AF48 | E52-9010 | E52-9011 | 
| AF48 | E52-9048W | E52-9048B | 
| AF50 | E52-9050W | E52-9050B | 
| AFG50 | E52-9050W | E52-9050B | 
| BETTER AIR WILL DISCONTINUE CURRENT CONES AT SOME POINT | ||
Agrifan Restrictors
| MODEL | PART# | 
| AF12 | E52-6552 | 
| AF14 | E52-6553 | 
| AF16 | E52-6554 | 
| AF18 | E52-6555 | 
| AF20 | E52-6556 | 
| *AF24(OS) | E52-6558 | 
| *AF24E | E52-6560 | 
* Special order items
O/S (RSO 28″ sq.)


























