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Product Overview

This inflatable round bladder is made to improve heat retention and keep your hot tub cleaner, for longer. Designed for 4-person round hot tubs up to 140cm, it creates a snug insulating layer that helps reduce heat loss and evaporation while also protecting against rain and debris.

It’s a practical, cost-saving upgrade for year-round spa use, helping maintain a warmer water temperature with less effort and lower running costs.

Key Features

  • Perfect 4-person fit for round hot tubs up to 140cm diameter.
  • Heat-insulating design reduces heat loss and improves energy efficiency.
  • Helps cut evaporation to maintain water level and temperature.
  • Weather and debris protection helps block rain, leaves, and dirt.
  • Quick inflation with an anti-leak air hole for simple setup.
  • Durable materials built for regular use across seasons.

Specifications

Spa Cover Diameter 135 cm
Maximum Spa Size Fits round hot tubs up to 140 cm
Inflated Bladder Size 135 cm diameter
Compatibility 4-person round hot tubs
Compatible Brands MSpa, Lay-Z-Spa and similar round spa brands
Compatible MSpa Models Bergen, Aurora, Mono, Starry, Tuscany, Lite, Silver Cloud and similar
Material High-quality, long-lasting material
Protection Windproof, rainproof, and snowproof support for year-round use

If you want a warmer spa with less heat loss, fewer filter changes, and less debris in the water, this inflatable bladder is a simple upgrade that makes a noticeable difference.

4 Person Round Hot Tub Inflatable Bladder (Up to 140cm)

£28.31 £18.85

Product Overview

This inflatable round bladder is made to improve heat retention and keep your hot tub cleaner, for longer. Designed for 4-person round hot tubs up to 140cm, it creates a snug insulating layer that helps reduce heat loss and evaporation while also protecting against rain and debris.

It’s a practical, cost-saving upgrade for year-round spa use, helping maintain a warmer water temperature with less effort and lower running costs.

Key Features

  • Perfect 4-person fit for round hot tubs up to 140cm diameter.
  • Heat-insulating design reduces heat loss and improves energy efficiency.
  • Helps cut evaporation to maintain water level and temperature.
  • Weather and debris protection helps block rain, leaves, and dirt.
  • Quick inflation with an anti-leak air hole for simple setup.
  • Durable materials built for regular use across seasons.

Specifications

Spa Cover Diameter 135 cm
Maximum Spa Size Fits round hot tubs up to 140 cm
Inflated Bladder Size 135 cm diameter
Compatibility 4-person round hot tubs
Compatible Brands MSpa, Lay-Z-Spa and similar round spa brands
Compatible MSpa Models Bergen, Aurora, Mono, Starry, Tuscany, Lite, Silver Cloud and similar
Material High-quality, long-lasting material
Protection Windproof, rainproof, and snowproof support for year-round use

If you want a warmer spa with less heat loss, fewer filter changes, and less debris in the water, this inflatable bladder is a simple upgrade that makes a noticeable difference.

FAQs

Does this fit a 4 person round hot tub up to 140cm?

Answer. Yes, it’s designed for 4-person round hot tubs up to 140cm diameter and provides a snug fit.

How does it help keep the water warm?

Answer. The bladder creates an insulating air layer that reduces heat loss and supports better heat retention.

Will it reduce water evaporation?

Answer. Yes, it helps minimise evaporation and heat loss, which can help maintain water level and temperature.

Is it compatible with MSpa and Lay-Z-Spa models?

Answer. Yes, it’s made to fit most MSpa, Lay-Z-Spa and similar 4-person round spas.

How do I inflate it?

Answer. It inflates quickly using the anti-leak air hole and can be deflated easily for storage when not needed.