Bemis 5900 Ultra-Fix Round White Toilet Seat

23 reviews

£23.45 (Inc. VAT)

In Stock



Ultra-Fix Logo


Sit tight when you try Ultra-Fix. This innovative technology has been proven to stay put even after 30,000 cycles and can last 40 times longer than regular toilet seats. The Ultra-Fix system will keep your toilet seat secure – no more loose toilet seats!

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environmentally Friendly

Environmentally Friendly

Bemis strive to use only the best technologies and expertise to improve efficiencies and carbon footprint. A wide range of raw materials, components, manufacturing methods and packaging have been used to bring you this brilliant toilet seat, thus making it incredibly environmentally friendly

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Traditional bottom fix

This toilet seat has a traditional style bottom fixing, which means you fit your bolts down into your pan from the top and then tighten them from underneath. Bottom fix seats are NOT suitable for use with wall hung or back to wall toilets.

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fits most toilets

Fits Most Toilets

Not only is this toilet seat extremely stylish, but it's practical too. It doesn’t matter which toilet you own, contemporary, traditional, high rise or short projection, Bemis toilet seats are specially designed to fit almost any toilet.

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Pan to floor fittings

Fittings are always included

Installation is straightforward whether you’re a professional or a novice and we make things even easier with the inclusion of a pan to floor fixing kit. They firmly bolt your toilet pan to the ground or wall to improve rigidity and safety.

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2 Year Guarantee

2-Year Guarantee

For added reassurance, we have supplied these products with a brilliant 2-year guarantee, that will protect you against any factory defects that may occur. 

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Bemis 5900 Ultra-Fix Round White Toilet Seat Video


Technical Drawings



Bemis 5900 Ultra-Fix Round White Toilet Seat Specifications
Seat Colour White
Soft Close No
Material Plastic
Hinge Material Plastic
Seat Type Standard
Shape Round
Hinges Bottom Fix
Guarantee 2 Years
Family Seat No
Hole Centers 139mm - 177mm
Width 368 mm
Length 446 mm
Range Bemis

Bemis 5900 Ultra-Fix Round White Toilet Seat


£23.45 (Inc. VAT)

Stock status: In Stock

Parcel Delivery - FREE

Quick and convenient delivery, 6 days a week, including next-day options.

Toilet Seat Buying Guide

Lowest Price Guaranteed
Plumbworld £23.45
Bathroom Trends £23.95
MP Homewares £29.95 - £31.30
Victorian Plumbing £38.10

Prices last checked on 20/04/2024
All prices are including VAT and excluding delivery charges

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23 Product Reviews

  • Reviews for this product

    Barbra Goodridge
    5/ 5

    My old toilet seat was falling to pieces and as the bathroom suite was all in the shell design, I had to find a new one that matched the rest of the suite. The Bemis 5900 fitted the bill perfectly. It matched everything else in the bathroom, was very easy to fit and feels quite sturdy. It is nice and white and has vastly improved the look of my toilet. I was so happy with it I bought a second one for my downstairs toilet so now both toilets look much better. Can recommend.

  • Mrs Sally Oliver
    5/ 5

    My neighbour ordered one from Plumbworld after he had to return an order to a different company as the product was unsatisfactory. I was just about to purchase one and so followed his advice. So glad I did. Very reasonable price, arrived sooner than expected, easy to assemble and gleaming white. I wish I had kown about them before as I would have replaced the old one sooner. My cleaners are now recommending it and have ordered one themselves.

  • Andrew
    5/ 5

    Seat was purchased as a replacement. It is very easy to fit and the snap off fastening nuts adds to the ease of fitment to apply the correct torque settings and stops any attempt to overtighten them. Soft closing means that it does not drop and therefore the risk to breaking the pan is greatly lessened.

  • Craig
    5/ 5

    I hate the toilet seat wiggle and eventual breakage that always ensues with normal toilet seat. NOT WITH Sta-tite.These are fantastic and don’t move at all. This is my 2nd one, I don’t see me using any any other brand. Awesome

  • Suzanne Davis
    5/ 5

    Great value replacement seat. Was a delay in delivery but Plumbworld kept me updated. Was fairly easy to fit except size spanner required not stated in instructions - Bemis at fault there. Very pleased with my purchase.

  • Bob Jolley
    5/ 5

    Bought this as we have had same seat on our downstairs toilet for 15 years with no problem, but our upstairs toilet has had several seats as the metal cast hinges break & the hinges on this seat are a lot better.

  • Kathy
    5/ 5

    Installed quickly and so far is very firm and closes slowly. Dont think it lifts off but looks easy to clean with just washing liquid. Not bleach or it will stain. It. On the whole very impressed.

  • Linda Menzies
    5/ 5

    The WC in our en suite was an odd shape and the existing seat was the wrong size. This fits perfectly and was simple to install. Full marks to Plumbworld for excellent service and fast delivery

  • Peggy jones
    5/ 5

    It is so lovely to now behable to sit on the toilet and not move new toilet allows me to stay yes l am extremely pleased with my latest purchase.brilliant as usual.Thank you

  • Richard Lloyd
    5/ 5

    As promised the toilet seats arrived and the whole toilet seat had a great attachment system to ensure that the toilet seat was at the correct torque.

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