Nikro Window Exhaust Flange Adjustable 24" to 36" - 861977
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Window Exhaust Flange – Adjustable 24" to 36"
The Window Exhaust Flange (Item# 861977) is a quick and effective solution for converting standard double-hung windows into an exhaust port for negative air machines. Designed for ease of use and adaptability, this flange system helps professionals set up containment zones and maintain proper airflow during remediation, abatement, or renovation work.
With an adjustable fit for windows ranging from 24" to 36" wide, and a built-in 12" flange compatible with standard 12" exhaust hoses, this unit streamlines setup for negative air environments. Whether you're managing mold, asbestos, or general air containment, this flange helps ensure efficient and compliant ventilation control.
Key Features:
- Quickly converts double-hung windows into negative air exhaust ports
- Adjustable width fits most standard windows: 24" to 36"
- 12" diameter flange accommodates 12" exhaust ducting
- Ideal for use with air scrubbers, negative air machines, and containment systems
- Speeds up setup and teardown for abatement and restoration jobs
Applications:
- Mold remediation
- Asbestos abatement
- Construction dust control
- Fire and smoke restoration
- Any negative pressure containment project
Technical Specifications:
| Item Number | 861977 |
| Window Fit Range | 24" – 36" |
| Flange Size | 12" |
| Compatible Hose Size | 12" Exhaust Hose |
Streamline your negative air setup with the Window Exhaust Flange – 861977 for secure, adjustable, and efficient containment airflow management.
| Product Type | Vacuum HEPA /Non/Accessories |
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Shipping
We Ship Internationally - We can ship to virtually any address in the world, with some restrictions on certain products.
Standard Delivery: Ground shipping typically delivers in approximately 5 business days from our Columbus, OH warehouse.
Expedited Options Available:
- Priority and Expedited handling speeds up processing
- Overnight shipping available (guaranteed) - must order by phone before 12pm EST M-F
- Some items ship "Manufacturer Direct" and cannot be expedited
Important: Inspect your delivery before signing! Note any damage on the shipping document.
Returns Policy
30-Day Return Window: Most new, unopened items can be returned within 30 days for a full refund.
Non-Returnable Items:
- Made-to-order fall protection products
- Used vacuums, respirators, gas monitors, or air scrubbers
- Calibration gas (hazardous material)
- PAPR and specialty respiratory items (non-stock)
Restocking Fee: 30% restocking fee or shipping costs apply if return is due to buyer error.
Refund Timeline: Expect refunds within 4 weeks, though many are processed faster.

