Best Reducers Deals Online in the UK (25 Deals Found)

Last Updated - 01/02/2026 Sort By:

Best Choice
Siqian

New
12 PCS Hat Size Reducers - Felt Cap Size Reducer Tape for Hats, Sweatband - Black and White
Wide Application: Our hat sizing tape is suitable for various hat types, including top hats, straw hats, berets and more

£3.29
Best Value
Amentalove

New
Amentalove Round Ducting Reducer 150mm to 100mm mit Stainless Hose Clips, Reducer for Extractor Bonnet, 6 to 4 inch Duct
✅【ABS Ducting Reducer Set】You will receive 1 pcs round ducting reducer 150mm to 100mm, 2 pcs metal hose joining clips( 8

£7.95 £8.99
New
Straight Reducer Silicone Reducing Pipe Step Down or Up Hose All Sizes
SELECT ANGLEStraight Reducer or coupler. REDUCER LENGTH127mm. APPLICATIONEngine coolant systems, Radiator hose. HOSE GRA

£21.16
Vin Beauty

New
Vin beauty E27 to E14 Lampshade Reducer Ring, 2 Pack Lamp Shade Adapter Rings Light Ring Converter Washer Plastic Replac
Vin beauty E27 to E14 Lampshade Reducer Ring, 2 Pack Lamp Shade Adapter Rings Light Ring Converter Washer Plastic Replac

£2.95
New
Black Malleable Iron Reducing Bush BSPT
Larger size in male and smaller size female. The machined threads of our fittings are supplied to conform. BRASS GAUGE C

£29.58
H&C VENT

New
H&C VENT Universal Duct Reducer Connector │ Ventilation Pipe PVC Adaptor │ Plastic Transition Ø3.14’’-5.9’’/ Ø80-150mm │
✔ Size and technical data ✔ Easily adjust round ventilation pipe diameters with this Universal Multi-Stage Ducting Reduc

£7.72
Midlands Tool Supplies

New
Midlands Tool Supplies Reducer 100/25mm OD 100mm to 75mm 63mm 50mm 25mm Plastic Hardware Tube
Versatile Size Reduction: Adapts from 100mm to 75mm, 63mm, 50mm, and 25mm OD

£9.99
New
John Guest Speedfit Fitting Reducer 22 X 15mm (Pack Of 10) 20 fittings.
The John Guest Speedfit Fitting Reducer 22 X 15mm is a pack of 10 compression fittings designed for use in any room, inc

£30.34
TOPBELIEF

New
8 Pack Plastic Lamp Shade Reducer Ring, E27 to E14 Lampshade Ring, E14 Lamp Shade Converter, Socket Replacement Fitting
💡【High Quality Material】The Lamp Shade Adapter Rings is made of high quality sturdy hard ABS plastic, which is durable,

£3.99
New
Plastic Straight Reducers and Connectors Joiners Reduce Reduction Step Down
Installation is a breeze – simply push the hoses onto the barbed ends, and you're good to go. No need for complicated to

£11.16
Gunwon

New
Gunwon 10pcs Hat Reducer Felt Cap Size Reducer Tape,Hat Size Tape Hat Size Reducer Foam Reducing Tape Self Adhesive Swea
【Great Value Set】You will receive 10 pieces of hat size reducer in 2 different colors, 5 pcs black, 5 pcs white. Suffici

£3.49
SIYUPU

New
12 PCS Hat Size Reducers, Hat Inserts to Make Smaller, Felt Cap Size Reducer Tape Black and White Hat Sizing Tape Hat Si
Package Contents: You will get 6 pieces of hat circumference stickers in white and 6 pieces in black to meet your daily

£2.99
New
Plastic Joiner Black Barbed Connector Hose Pipe 45 90 180 Reducers Straight
Plastic Hose Barbed Joiners & Elbows. Our range ofPlastic Hose Barbed Joiners & Elbows provides simple and efficient sol

£14.97
Prasacco

New
20 Pack Hat Sizer Reducer Insert, Hat Inserts To Make Fit Smaller, Fitted Hat Size Reducer, Self-Adhesive Foam Reducing
Great Value Set: You will receive 20 pieces of black hat sizer reducer insert. Sufficient quantity allows you to wear di

£4.99
New
Silicone Straight Reducer, Red, Blue, Black, Various Diameters Tube Hose Coupler
Item : Reinforced Silicone Reducer. Colours : Black / Blue / Red. Suitable for use with Air or Water.

£9.99
Chuangdi

New
2 Pieces Metal Lamp Shade Reducer Ring for ES/E27 to BC/B22 Plate Light Fitting Lampshade Washer Adaptor Converter (Whit
Note: please pay attention to measuring the size of your bulbs' round head and select the right type of reducer ring; Di

£4.29
New
Black 90 Degree Elbow Reducing Silicone Hose - Reduction Pipe Tube Reducer Step
SELECT ANGLE90 Degree Reducer Elbow. LEG LENGTH150mm Per Each Leg (300mm Total). HOSE GRADESAEJ20. MANUFACTURERAuto Sili

£16.39
New
Plastic 90 Reducers Elbow Connectors Joiners Reduce Reduction Step Down
90° Angle Design: Perfect for applications needing a sharp turn, maximizing efficiency in compact spaces. Plastic Hose I

£7.76
New
WRAS Approved 15mm -22MM Scale Reducer Electrolytic Compression Inhibitor
WRAS Approved. - WRAS Approved product. WRAS Approved Product. 22mm Inline Electrolytic Scale Inhibitor. Scale Reducer.

£17.39
New
Teams Calmag or Trappex Inline Scale Inhibitor Reducers Limescale Beater 15mm
It can help prolong the life of appliances and prevent pipes from being blocked. Trappex Inline worksby electrolyticacti

£13.75
New
90 Degree Elbow Reducing Silicone Hose Reduction Pipe Tube Reducer Step Down
SELECT ANGLE90 Degree Reducer Elbow. LEG LENGTH150mm Per Each Leg (300mm Total). HOSE GRADESAEJ20. MANUFACTURERAuto Sili

£24.55
New
Straight Silicone Reducer Hose Coupler Joiner Pipe Coupling Hose Join Step Down
SELECT ANGLEStraight Reducer or coupler. Reducer length127mm. coupler length100mm. APPLICATIONEngine coolant systems, Ra

£21.97
New
45 Degree Elbow Reducing Silicone Hose Reduction Pipe Tube Reducer Step Down
SELECT ANGLE45 Degree Reducer Elbow. LEG LENGTH150mm Per Each Leg (300mm Total). APPLICATIONEngine Coolant Systems, Radi

£22.45
New
PlumbEZ 22mm Compact Brass Compression Fittings – Couplers, Elbows, Tees & More
Why Choose PlumbEZ Compression Fittings. MALE & FEMALE COUPLERS. Compression Coupler C x C 22mm. Compression Slip Couple

£27.99
New
Siliphos Combimate Refill Balls 800g With O Ring Pack High Grade Combiphos
Experience improved energy efficiency, reduced maintenance costs, and a cleaner, more effective water system. Mapp Gas a

£29.00

25 Reducers deals are available from: Amazon, eBay stores, starting from £2.95.
The biggest discount we found is 12% on Amentalove Round Ducting Reducer 150mm to 100mm mit Stainless Hose Clips, Reducer for Extractor Bonnet, 6 to 4 inch Duct Pipe Reduction Coupler for Extractor Fans, Cooker Hood Tumble Dryer Ventilation at Amazon.
The lowest price we found is £2.95 while the highest is £30.34.
Prices for the best Reducers deals average at £14.00.
Last updated on February 1, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Reducers.