Finnmark FD-4 Combination Sauna Cushion – Trinity 4x4 Marine Grade Vinyl Cushion 

Upgrade your Finnmark Trinity 4x4 Combination Sauna with the FD-4 Sauna Cushion, designed for optimal comfort and durability. Custom-fitted to match the bench layout of the FD-4 Full-Spectrum + Traditional Combination Sauna, this cushion enhances your relaxation by providing plush support and superior heat resistance. Built with marine-grade vinyl, it resists moisture, humidity, and daily use—perfect for both infrared and traditional sauna environments. With easy maintenance and a sleek, modern finish, this cushion transforms your sauna sessions into a more luxurious experience.

Features

• Precision fit for the Finnmark FD-4 Trinity 4x4 Combination Sauna
• Made from premium marine-grade vinyl for durability and moisture resistance
• Comfortable, heat-tolerant cushioning designed for dual sauna environments
• Simple to clean and maintain
• Adds luxury and ergonomic comfort to your sauna bench
• Built to withstand high temperatures and humidity

Includes

• (1) Finnmark FD-4 Combination Sauna Cushion

Specifications

• Compatible Model: Finnmark FD-4 Trinity 4x4 Combination Sauna
• Material: Marine-Grade Vinyl
• Foam Insert Thickness: 2.5 in
• Seating Capacity: Up to 4 Persons
• Color: Black (or as shown)
• Weight: Approx. 6–7 lbs

Dimensions

• Product Dimensions: 17" W x 44" D x 2.5" H
• Foam Insert: 2.5" Thick

Dimensions are approximate and may vary slightly depending on production batch.

Warranty

• 1-Year Limited Warranty against manufacturer defects
• Warranty does not cover normal wear and tear or misuse

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