Diall 4W Filament review
Test scoreShow Context
- Filament LED
- Warm white
The Diall 4W Filament light bulb claims to give out as much light as an old-style 40W bulb. It could be the perfect bulb for a bedside lamp. We sent it off to our test lab to put it through our extensive light bulb test programme. Find out whether it shone against the competition.
- Pros and cons
Technical specifications
General
- TypeFilament LED
- Total length of bulb106mm
- Maximum diameter of bulb60.0
Test results
The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.
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Prices updated dailyPrices are ordered from lowest to highest, irrespective of retailer rating or stock. We are not able to show every possible retailer and cheaper prices may be available. When you click on a retailer link on our site, we may earn affiliate commission. This supports our not-for-profit mission to empower consumers and in no way affects our recommendations. Find out more.
| RetailerRetailer star rating | Price | In stock | |
|---|---|---|---|
Amazon Marketplace UK Not rated | £16.97 | Go to store |
Make smarter choices
- 56%Lowest score
- 68%Average score
- 84%Highest score
Put us to the test
Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.
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