Next size down is 25mm.
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1.5/2.0 Meter Bathroom Nylon High Pressure Smooth Shower Hose Flexible Handheld Anti Winding GI/2 Universal Pipe Tube
Aliexpress UK
[Wide Application] It is not only suitable for bathing, but also for toilet cleaning, refilling fish tanks, cleaning baby diapers, flushing potty chairs, pet bathing, etc. [Premium Shower Hose] Our shower head hose is made of high quality stainless steel outer tube, PVC inner tube and precision machined with A-grade forged brass, which is high temperature resistance, anti-explosion, sealing, leakproof, high flexibility and durable.
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New 1.5m grey PVC flexible long shower hose extension pipe water pipe pull pipe bathroom accessories
Aliexpress UK
eBay
1.5/2MPVC silicone shower hose, high pressure water, powerful multi-layer pipes, bathroom accessories
Aliexpress UK
Nylon Material: Constructed with FOR DURABLE nylon tube for long-lasting performance in daily shower use. Material:Nylon tube, PET, ABS, EVA, copper. Explosion-Proof Design: Features reinforced structure to prevent bursting and FOR ENSURE safe water flow.
eBay
Bathroom Nylon High Pressure Flexible Smooth 1.5/2.0 Meter Shower Hose Flexible Handheld Anti Winding GI/2 Universal Pipe Tube
Aliexpress UK
Chrome 1.5 metre shower hose.
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New 1Pcs 1.5M/2M/3M/5M Telephone Line Spring Shower Hose Toilet Bidet Bathroom Accessories Sprayer Connect Pipe Flexible
Aliexpress UK
Crosswater Shower Hose From Sk812c - Sh812ea1.
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1.5/2/3meter Anti-wrap Telephone Line Style Spring Shower Hose Water Plumbing Toilet Bidet Bath Sprayer Connect Pipe
Aliexpress UK
The 1.4m (57") hose is hard wearing with brass inserts and non-toxic, high pressure resistant, material inner pipe. The easy clean gold finish ensures your shower looks great in any bathroom! Doppelg ribbed system, long service life Standard Ports, so it is suitable for all regular shower head and shower fittings The ports are suitable for all standard fittings and hand showers.
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50pcs Tap Head O-shaped Stainless Steel Filter Gasket Seal Black Hose Flat Rubber Washer For Shower Head Faucet 1/2in 3/4in
Aliexpress UK
Fremont Stainless Steel Shower Hose 1.5m This stainless steel shower hose is ideal for replacing worn out hoses, with a lengthy 1.5m to provide plenty of reach. Designed with a durable German-made stainless steel construction and a stylish finish, this hose is perfect for any bathroom. Its internal layers prevent kinks for optimum water flow and an extended lifespan. Stainless steel replacement shower hose 5 meters long.
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1.5/2M Latex Flexible Shower Hose G1/2 Universal Interface High Pressure Silicone Powerful Tap Faucet Toilet Bathroom Accessorie
Aliexpress UK