This document can be used to determine the weight of products when completing FedEx Shipment forms and to help customers determine the size filter they need when unsure of the unit model.
| Unit Name | Box Dimensions |
| T500 | 13 x 10 x 24 |
| 45i | 19 x 11 x 28 |
| 45i Pure-Retail | 18 x 11 x 28 |
| FLEX | 19 x 11 x 28 |
| Flex-Pure-Retail | 18 x 11 x 28 |
| FIT50 | 21 x 18 x 26 |
| 75i | 23 x 15 x 31 |
| 75iV2 | 21 x 16 x 30 |
| Classic | 22 x 17 x 32 |
| 35i | 15 x 10 x 23 |
| Unit | Dimensions in Inches (L x W x H) | Weight in Pounds |
| BreatheSmart Classic | 22 x 17 x 32 | 32 |
| Alen T500 | 13 x 10 x 24 | 12 |
| BreatheSmart 45i/FLEX | 19 x 11 x 28 | 23 |
| BreatheSmart FIT50 | 21 x 18 x 26 | 28 |
| BreatheSmart 75i | 23 x 15 x 31 | 35 |
| Breathsmart 35i | 15 x 10 x 23 | 13 |
| Breathesmart 25i | 16.8 x 11 x 7.3 | 8 |
| Filter | Dimensions in Inches (L x W x H) | Weight in Pounds |
| Alen A350/A375 Pure - BF15A-Pure | 13 x 2 x 16 | 1.5 |
| Alen A350/A375 Fresh - BF25A-Fresh | 13 x 2 x 16 | 2 |
| Alen A350/A375 Odor - BF25A-MP-Odor | 13 x 2 x 16 | 2 |
| BreatheSmart Classic Pure - BF35 | 15 x 3 x 17 | 2 |
| BreatheSmart Classic Fresh - BF35-Silver-Carbon | 15 x 3 x 17 | 3 |
| BreatheSmart Classic VOC/Smoke - BF35-VOC | 15 x 3 x 17 | 5 |
| BreatheSmart Classic Odor - BF35-MP | 15 x 3 x 17 | 3 |
| BreatheSmart FIT50 Pure - FF50 | 14 x 3 x 16 | 2.5 |
| BreatheSmart FIT50 Fresh - FF50-Silver-Carbon | 14 x 3 x 16 | 3 |
| BreatheSmart FIT50 VOC/Smoke - FF50-VOC | 14 x 3 x 16 | 5 |
| BreatheSmart Fit50 Odor - FF50-MP | 14 x 3 x 16 | 3.5 |
| BreatheSmart 45i/Flex Pure - B4 Pure | 14x 3 x 15 | 1 |
| BreatheSmart 45i/FLEX Fresh - B4-Fresh | 11 x 3 x 15 | 2 |
| BreatheSmart 45i/FLEX Odor - B4-Odor | 11 x 3 x 15 | 2 |
| BreatheSmart 45i/FLEX VOC/Smoke - FL40-H | 11 x 3 x 15 | 3 |
| Alen T100/T300 Pure - TF15-Pure | 5 x 3 x 10 | .5 |
| Alen T100/T300 Fresh - TF30-Fresh | 5 x 3 x 10 | .5 |
| Alen Paralda Pure - TF50-Pure | 5 x 2 x 22 | 1 |
| Alen Paralda Fresh - TF50-Fresh | 5 x 2 x 22 | 1 |
| Alen Paralda Odor - TF50-MP-Odor | 5 x 2 x 22 | 1 |
| Alen T500 Pure - TF60-Pure | 5 x 2 x 16 | 1 |
| Alen T500 Fresh - TF60-Silver-Carbon | 5 x 2 x 16 | 1 |
| Alen T500 Odor - TF60-Odor | 5 x 2 x 16 | 1 |
| BreatheSmart 75i Pure - B7-Pure | 15 x 3 x 20 | 2 |
| BreatheSmart 75i Fresh - B7-Fresh | 15 x 3 x 20 | 4 |
| BreatheSmart 75i Odor - B7-MP-Pet/Odor | 15 x 3 x 20 | 3 |
| Breathsmart 35i Pure - B3-Pure | 11 x 2 x 15 | 1 |
| Breathsmart 35i Fresh - B3-Fresh | 11 x 2 x 15 | 1.5 |
| Breathsmart 25i Pure - B2 Pure | 9 x 1.5 x 11 | 1 |
| Breathemart 25i Fresh - B2 Fresh | 9 x 1.5 x 11 | 2 |
| Breathemart 25i Fresh - B2 Odor | 9 x 1.5 x 11 | 2 |
| Revision date: | May 6, 2025 | Revised by: | Neil Smith |