Nikro SL4000 Air Duct Cleaning System (Dual Motor)
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Nikro Air Duct Cleaning System (Dual Motor) - SL4000
The Nikro SL4000 Air Duct Cleaning System is a powerful, portable solution designed for residential and light commercial air duct cleaning. Featuring a dual motor and blower setup with a 3-stage filtration system including a 99.97% HEPA filter, this system ensures thorough cleaning and air quality restoration. Its slim, three-piece design allows easy maneuvering through tight spaces, making it ideal for professional HVAC technicians and duct cleaning specialists.
Key features
- Dual backward incline 1.5 H.P. motors providing strong vacuum power
- 3-stage filtration system with a final stage 99.97% HEPA filter for clean air return
- Compact, narrow three-piece design for easy transport through doorways and staircases
- Includes 12" x 25' PVC flex duct and quick connect hose clamps for efficient setup
- Durable blower cabinets with specific dimensions for balanced assembly
- Static pressure rating of 5" and airflow capacity of 5000 C.F.M. (free air)
- Operates on 115V/10 amps per motor with dual plugs for reliable power
- 3-year warranty for long-term use and support
Ideal applications
- Residential air duct cleaning services
- Light commercial HVAC maintenance and duct cleaning
- Indoor air quality improvement projects
- Professional duct cleaning companies requiring portable, powerful equipment
- Jobsites with limited access requiring maneuverable equipment
Why buyers choose this product
The Nikro SL4000 stands out for its combination of powerful dual motors and advanced filtration, delivering effective duct cleaning while maintaining clean air standards. Its modular design enhances portability and ease of use in tight spaces, making it a practical choice for professionals focused on efficiency and thorough results.
Specifications
| Brand | Nikro |
| Model | SL4000 |
| Product type | Air duct cleaning system |
| Motor power | Dual 1.5 H.P. |
| Blower type | Dual backward incline |
| Filtration | 3-stage with 99.97% HEPA filter |
| Airflow capacity | 5000 C.F.M. (free air) |
| Static pressure | 5 inches |
| Voltage/Amperage | 115V/10 amps (each motor) |
| Cabinet dimensions (Motor) | 24" L x 20" W x 31" H |
| Cabinet dimensions (Center) | 13" L x 20" W x 31" H |
| Cabinet dimensions (Primary) | 22" L x 20" W x 31" H |
| Assembled weight | 233 lbs |
| Included accessories | 12" x 25' PVC flex duct, 2 quick connect hose clamps, duct mounting flange |
| Warranty | 3 years |
Additional product details
The SL4000 is designed for easy assembly and transport, with a slim profile that fits through narrow doorways and staircases. Its durable construction and included accessories support efficient setup and operation in diverse residential and commercial environments. Replacement filters are available to maintain optimal filtration performance over time.
This system delivers reliable, professional-grade air duct cleaning for improved indoor air quality and effective HVAC maintenance.
MFG Part #: SL4000
| Product Type | Nikro Air Duct Cleaning |
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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.

