A simple 30 in insert for a custom hood shell, with baffle filters and right-sized airflow.
Amazon $252.99The Cosmo COS-30IRHP Lumin 30 in Insert rates 3.5 among inserts range hoods; the Cosmo COS-5MU30 Delta 30 in rates 3.1 among under-cabinet ones. The Cosmo COS-5MU30 Delta 30 in costs $122 less ($130.99 vs $252.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.

A slim, inexpensive under-cabinet hood for apartments and light cooking. Cosmo does not publish its airflow.
Amazon $130.99Scores side by side
These two sit in different type classes (inserts and under-cabinet), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | Cosmo COS-30IRHP Lumin 30 in Insert | Cosmo COS-5MU30 Delta 30 in |
|---|---|---|
| Overall rating | 3.5/5 | 3.1/5 |
| Airflow 20% | 92 380 CFM | 50 airflow not published (neutral score used) |
| Quiet at full speed 20% | 50 noise at full speed not published (neutral score used) | 50 noise at full speed not published (neutral score used) |
| Quiet at low speed 15% | 50 45 dB | 25 50 dB |
| Features 20% | 45 dishwasher-safe steel filters, LED lighting, 3 or more speeds | 35 LED lighting, 3 or more speeds, converts to ductless |
| Price 15% | 60 $252.99 | 88 $130.99 |
| Warranty 10% | 25 2-year warranty | 25 2-year warranty |
Specifications
| Cosmo COS-30IRHP Lumin 30 in Insert | Cosmo COS-5MU30 Delta 30 in | |
|---|---|---|
| Airflow and noise | ||
| Max airflow | 380 CFM | - |
| Noise at low speed | 45 dB | 50 dB |
| Fan speeds | 3 | 3 |
| Installation | ||
| Mount | Insert | Under-cabinet |
| Width | 30 in | 30 in |
| Venting | Ducted only | Ducted or ductless |
| Duct connection | 5.9 in round | 5 in round |
| Power | Plug-in | Plug-in |
| Airflow cap for make-up air codes | No | No |
| Features | ||
| Grease filters | Steel baffle | Aluminum mesh |
| LED lighting | Yes | Yes |
| Controls | Push button | Push button |
| Delayed shut-off | No | No |
| Automatic fan speed | No | No |
| Build | ||
| Weight | 15.9 lb | 14 lb |
| Warranty | 2 years | 2 years |