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Tropic Seas Spas Flat Pillow – Gray – Tonga

$39.99

My Spa's Model Years2016 - Current 2013 - 2015
All Pillows That Fit My SpaWaterfall 8" Flat Pillow - Gray (Tonga) Lounger Pillow Large Neck Pillow Pillow Receptacle

OEM gray flat pillow for Tropic Seas Tonga spas through 2015 — and still the current pillow on Garden Spas.

2016 and newer Tonga? You want the graphite version instead — verify before ordering.

Orders processed same day or next business day.

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Tropic Seas Spas Flat Pillow – Gray – Tonga

OEM gray flat pillow used on earlier Tropic Seas Tonga spas, through the 2015 model year, and still used on Garden Spas to this day — which is why the gray version remains in the factory catalog. In 2016 the Tropic Seas line switched to the graphite color scheme, so if your Tonga is a 2016 or newer, you want the graphite flat pillow instead. It’s a generic no-logo pillow shared across the Artesian Spas family.

Used on Tropic Seas Tonga spas through the 2015 model year and on current Garden Spas — verify your model year and match your existing pillow’s color and mounting posts before ordering.

Pillow specs:

  • Color: standard gray (lighter than graphite)
  • Approximately 9-1/4 in. long
  • 2 mounting posts on the back
  • Generic style with no brand logo

Pillows are a wear item and are not warranted by any spa manufacturer — water chemistry is what kills them. Keep pH and sanitizer in range, rest pillows above the waterline when you shock the spa, and wipe them down when you clean the shell. If your old pillow turned sticky, puffy, or crumbly, that’s chemical exposure, and the replacement will last longer with balanced water.

Broken mounting post or cracked socket in the shell? Grab the inexpensive pillow receptacle with your order and the new pillow will seat like factory.

Not 100% sure this is the correct replacement part? Use the fitment verification form below before ordering.

✅ Not Sure It Fits? Verify Before Ordering

Hot tub part compatibility can vary by spa brand, model, year, serial number, control system, and part revision.

To help us identify the correct replacement part, please send clear photos of:

  • Your existing part label or sticker
  • Your spa serial number sticker
  • The equipment area or installation location (if accessible)

EZ Hot Tub Parts can help confirm fitment before you order and help reduce costly returns.


Orders are processed same day or next business day.

Looking for more parts, filters, or help identifying the right replacement? Visit our full Tropic Seas Spas Parts & Owner Resource page to browse parts by category, model, and system configuration.

Browse Tropic Seas Spas Parts & Owner Resource Page

Tropic Seas Spas Flat Pillow Frequently Asked Questions

This is OEM part number 26-0500-85. It fits the Tropic Seas Tonga through the 2015 model year, and it remains the current pillow on Garden Spas, which share the same generic pillow across the Artesian Spas family. If you’re unsure, send us photos with your spa serial number and we’ll confirm before you order.

Graphite. In 2016 Tropic Seas switched the whole line, including the Tonga, to the graphite gray color scheme (part 26-0501-85). The gray version is for 2015-and-earlier Tongas — the pillows are otherwise the same size and mounting style.

Chemical exposure. High sanitizer levels, low pH, and shocking the spa with pillows at the waterline break down the pillow skin over time. No manufacturer warranties pillows for this reason. Balanced water and lifting pillows clear of the water when you shock will noticeably extend the life of the replacement.

The posts on the back of the pillow snap into plastic receptacles mounted in the spa shell. If a receptacle is cracked or a post broke off inside one, replace the receptacle too — we stock the pillow receptacle for a few dollars, and it’s a two-minute fix.

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