How do I remove this and what type of bulb is it?

This is a UK and ROI specific subreddit, r/DIY has a lot of US Specific content, things like products to use, where to get them, laws and codes that don't apply to the UK. r/DIYUK is for UK and ROI specific DIY help, questions and projects.
Recommendations for 12-hour days
Shady office chair peddlers and glorious ergonomic office chairs. Do you have a chair you want to sell us? Tell us all about it on or sister sub r/OfficeChairsISell
Have you noticed a deterioration in the quality of BBC News, and is there a reason?
The #1 subreddit for Brits and non-Brits to ask questions about life and culture in the United Kingdom. We invite users to post interesting questions about the UK that create informative, good to read, insightful, helpful, or light-hearted discussions.
How were muskets made in revolutionary/Napoleonic France?
The Portal for Public History. Please read the rules before participating, as we remove all comments which break the rules. Answers must be in-depth and comprehensive, or they will be removed.
What one purchase has disproportionately improved the comfort of your home/life?
UK based subreddit for non-political news, commentary and discussion.
Are there any photos of Napoleon's marshals?
A history subreddit for Napoleon Bonaparte, the Napoleonic Wars, and the French Revolution
Does anyone else feel lighter and more in control when they declutter and have more living and storage space?
Reducing clutter by reducing stuff: discussion, advice, weekly and monthly challenges. No selling, surveys, or self-promo.
Platinum Preppy 02 feels very scratchy, skips, and dries out after a 30 seconds wit the lid off. Faulty or can I do anything?
/r/fountainpens - A community for fountain pen enthusiasts, from the novice to the collector. Please join our discord server: https://discord.gg/CgcFYdzf
Has the last two years highlighted the introvert/extrovert double-standard?
The #1 subreddit for Brits and non-Brits to ask questions about life and culture in the United Kingdom. We invite users to post interesting questions about the UK that create informative, good to read, insightful, helpful, or light-hearted discussions.
How do you know if you're lazy or just hate your job/life?
UK based subreddit for non-political news, commentary and discussion.
Why did Edward VI not just name Elizabeth as heir?
The Portal for Public History. Please read the rules before participating, as we remove all comments which break the rules. Answers must be in-depth and comprehensive, or they will be removed.
Supermarket delivery drivers: do you have to wait until the end of your shift even if there are no more deliveries?
UK based subreddit for non-political news, commentary and discussion.
Anyone else wish that everyone would just piss off back inside for a month?
UK based subreddit for non-political news, commentary and discussion.
What cleans better: liquid or powder detergent? Bio or non-bio?
The #1 subreddit for Brits and non-Brits to ask questions about life and culture in the United Kingdom. We invite users to post interesting questions about the UK that create informative, good to read, insightful, helpful, or light-hearted discussions.
Tips for mentally separating work and home whilst WFH?
The #1 subreddit for Brits and non-Brits to ask questions about life and culture in the United Kingdom. We invite users to post interesting questions about the UK that create informative, good to read, insightful, helpful, or light-hearted discussions.
I wish shop fronts had to conform to a quaint, standardised look in different towns
UK based subreddit for non-political news, commentary and discussion.
Doctors/nurses and other frequent hand-washers: what do you use to stop your hands from disintegrating?
UK based subreddit for non-political news, commentary and discussion.
Anyone have a wall-mounted dispenser in the shower for shower gel or is that weird?
UK based subreddit for non-political news, commentary and discussion.
Whatever happened to Orbit chewing gum? Can you still get it?

UK based subreddit for non-political news, commentary and discussion.
Can anyone find this pen?
What combination of fruit and veg (max. 5) gives broadest nutrition?
A subreddit for the discussion of nutrition science. Macronutrients, micronutrients, vitamins, diets, and nutrition news are among the many topics discussed. Civil discourse is required.
Do you need to have certain skills to be able to build a PC?
Planning on building a computer but need some advice? This is the place to ask! /r/buildapc is a community-driven subreddit dedicated to custom PC assembly. Anyone is welcome to seek the input of our helpful community as they piece together their desktop.
Do you frugals own home furnishings and comforts?
Frugality is the mental approach we each take when considering our resource allocations. It includes time, money, convenience, and many other factors.
Guilt over spending on non-essential items
For those who appreciate simplicity in any form.
Would you meet your 'hero'?
The #1 subreddit for Brits and non-Brits to ask questions about life and culture in the United Kingdom. We invite users to post interesting questions about the UK that create informative, good to read, insightful, helpful, or light-hearted discussions.