Introduction
The COSMO COS-5MU30 under cabinet range hood from the Delta Collection is designed to enhance any kitchen with its modern styling and efficient performance. Crafted from brushed stainless steel, this unit effectively removes cooking odors and smoke. It features easy-to-use push button controls, durable reusable filters, and integrated LED lighting for optimal visibility.

Image: COSMO COS-5MU30 Range Hood in a kitchen setting.
Product Features
- Slim Space-Saving Design: Part of the Delta Collection, its slim profile is ideal for condos and apartments.
- Convertible Ventilation: Can be installed as ducted (top or back venting) or ductless with the optional Carbon Filter Kit # CFK4 (sold separately).
- Efficient & Quiet Operation: Features a 3-speed motor with a noise level as low as 50 dB on the lowest fan speed (with rigid ducting under optimal conditions).
- User-Friendly Controls: Equipped with push button controls to manage fan speed, lights, and power.
- Superior Multi-Layer Filtration: Includes durable, reusable aluminum mesh filters to effectively trap grease and oil.
- Integrated LED Lighting: Built-in LED lights ensure clear visibility of your cooking surface.

Image: Overview of COSMO COS-5MU30 features.
Specifications
| Feature | Detail |
|---|---|
| Model Number | COS-5MU30 |
| Material | Stainless Steel |
| Product Dimensions (W x L x H) | 29.75" x 19.75" x 5.5" |
| Mounting Type | Under Cabinet Mount |
| Ventilation Type | Ductless, Convertible |
| Duct Size | 5" Round (for ducted installation) |
| Number of Fan Speeds | 3 |
| Noise Level (lowest speed) | 50 Decibels |
| Controls Type | Push Button Controls |
| Light Source Type | LED |
| Electrical Requirements | 120V/60Hz, 3-Prong Plug (included) |
| Item Weight | 14 Pounds |
| Included Components | 3-Prong Plug, Multi-layer Mesh Filters, Backdraft Damper, Light Bulbs, Mounting Kit & Manual |

Image: Product dimensions and venting options.
Installation
The COS-5MU30 range hood is designed for under cabinet mounting and offers both ducted and ductless installation options. For ducted installation, a 5-inch round duct is required, and HVAC tape is recommended for secure connections. For ductless (recirculating) operation, the optional Carbon Filter Kit # CFK4 must be purchased separately.
Ductless Conversion
To convert the range hood to ductless operation, follow these steps:
- Open the unit by removing the mesh filters.
- Locate the switch in the middle of the fan unit and remove the bolt with a Phillips tool.
- Change the switch to the ductless position, which allows exhaust to flow out of the front vent. Replace the bolt.
- Install the Carbon Filter Kit # CFK4 (sold separately) by placing the charcoal filter on top of the middle piece and tightening it into place.
- Replace the mesh filters. Your range hood is now set for ductless operation.

Image: Ductless conversion instructions.
Installation Overview Video
Video: Detailed overview of the COSMO Range Hood, including installation considerations.
Ductless Conversion Video
Video: Demonstration of ductless conversion for a similar COSMO Under Cabinet Range Hood.
Operating Instructions
The COSMO COS-5MU30 features intuitive push button controls located on the front panel for easy operation.
- Power Button: Press to turn the unit On or Off.
- Fan Speed Buttons: Select from three fan speeds (Low, Medium, High) to adjust suction power based on your cooking needs.
- Light Button: Press to turn the LED lights On or Off, illuminating your cooking area.

Image: Underside view with controls and filters.
Operation Demonstration Video
Video: Review demonstrating the operation of the COSMO Range Hood, including fan speeds and lights.
Maintenance
Regular maintenance ensures optimal performance and longevity of your range hood.
Cleaning the Mesh Filters
The multi-layer aluminum mesh filters are reusable and designed to trap grease and oil effectively. They should be cleaned regularly depending on cooking frequency.
- To remove, locate the small handle or latch on each filter and gently pull down.
- Wash the filters with warm, soapy water or place them in a dishwasher.
- Ensure filters are completely dry before re-installing.
- To re-install, align the filter with the slots and push up until it clicks into place.

Image: Close-up of mesh filters.
Warranty and Support
The COSMO COS-5MU30 Range Hood comes with a 2-Year Limited Parts Warranty. Our customer support team is proudly based in the USA to assist with any product inquiries or service needs.
For warranty claims or technical assistance, please refer to the contact information provided in your product packaging or visit the official COSMO website.





