Product Description
Upgrade your caravan or RV plumbing with this 28mm corrugated poly flex hose — purpose-built for grey water, sink/shower waste and vent lines in caravans, motorhomes and camper trailers. The lightweight, flexible corrugations bend easily around tight spaces while maintaining flow and resisting kinks.
Choose your length: 1m, 3m, 5m or 30m roll (select above).
Perfect for new installs, repairs or tidy reruns of waste lines.
Key Features
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28mm flexible corrugated poly hose — ideal for caravan/RV waste & drainage
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Smooth internal flow path helps reduce blockages and odours
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Kink-resistant and easy to route through cupboards and service cavities
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Cuts cleanly with a utility knife; secure with 28mm hose clamps
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Compatible with common 28mm hose tails, skin fittings and barbed adapters
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Low-pressure / gravity use (waste & vents) for simple DIY fitting
Typical Uses
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Caravan/RV grey water drain from sinks and showers
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Basin/appliance waste lines and vent runs
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Camper trailer and motorhome plumbing upgrades
Specifications
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Inside diameter: 28 mm
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Lengths: 1 m, 3 m, 5 m, 30 m (select variant)
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Material: Corrugated polyethylene (poly)
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Colour: Black (may vary slightly by batch)
Notes
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Not for pressurised potable water or hot-water supply lines.
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Check your fittings measure 28mm to ensure a snug, leak-free fit.
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Need clamps or fittings? Pair with our 28mm hose clamps, skin fittings and barbed adapters.