Description
Our premium, heavy-duty liners are constructed of premium vinyl, meaning our liners will last longer and maintain their beautiful appearance for years. Strong, double-welded seams will withstand winter’s worst. Our liners are so rugged they are backed by a 25-Year Warranty . All of the flat-bottom liners listed below will fit either a 48″ or 52″ sidewall.
![Poly-Planar SB-50 2 35 Watt Spa Oval Speaker – Grey [SB50G]](https://www.micrometerx.com/wp-content/uploads/2025/8/1756623089/poly-planar-sb-50-2-35-watt-spa-oval-speaker-grey-sb50g.webp)
![Boss Audio 6.5 MR62B Speaker – Black – 200W [MR62B]](https://www.micrometerx.com/wp-content/uploads/2025/8/1756622879/boss-audio-6-5-mr62b-speaker-black-200w-mr62b.webp)
