A replacement for the rigid inflatable liner supplied with your Lay-Z-Spa Helsinki 2021 model. The liner is the epicenter of your Lay-Z-Spa. It’s the area of your Lay-Z-Spa that is filled with water and connects to the heater pump. It contains the integrated , massage jets that provide a relaxing spa experience. If you’re unsure which replacement part you Lay-Z-Spa requires, contact our dedicated Bestway After sales team who will happily identify the problem and advise you on how to fix it.