The Master Spa® Factory OEM 6.5' x 6.5' replacement cut corner hot tub cover (SKU: X120240) is expertly crafted to provide a perfect fit for your Master Spas® hot tub. Designed for superior energy efficiency, this custom replacement cover features a 1.5lb foam density, 5-inch thick insulation tapering to 3 inches, and full-length heat seal cushions to minimize heat loss. For added durability and convenience, it includes two upgraded rubber grip handles and is wrapped in high-quality, woven polyester (ripstop material), similar to Sunbrella fabric which is lighter, stronger, and more resistant (to UV, mildew, mold) than vinyl.
*Compliant to ASTM Standards for Safety Covers
*This hot tub cover fits the Twilight 240 hot tub
Shipping Policy (for Spa Covers)
Processing & Shipping Times
At Hot Tub Supply, we are committed to delivering high-quality products in a timely manner. Due to the large size of covers, they require freight shipping which does not qualify for free shipping. Please review the details below regarding our shipping process:
Hot Tub Covers (Made-to-Order)
- All hot tub covers are custom-made at the factory as orders are placed.
- Due to the manufacturing process, please allow up to 3 weeks for production before your order ships.
- Once shipped, transit times may vary depending on your location and carrier availability.
Hot Tub Features
- 2.0 lb. Density Foam
- 5” to 3” Taper – R Value = 20
- 5 mil. Vapor Barrier
- 1 x Deluxe Full Length Steam Stopper
- 2 x Commercial Grade Rubber Handles
- Lighter & More Durable Poly-Shield Material
- Four Keyed Locks
- All Covers come in matte black color
General Shipping Information
- Orders will be processed as soon as they are received.
- You will receive a confirmation email with tracking details once your order has shipped.
- Shipping times for other products may vary and will be detailed at checkout.
Shipping Carriers & Delivery
We partner with trusted carriers to ensure safe and efficient delivery. While we strive to meet estimated shipping times, unexpected delays may occur due to weather, supply chain issues, or carrier constraints.
Order Tracking
Once your order is shipped, you will receive a tracking number via email to monitor your shipment’s progress. If you do not receive tracking details, please contact our support team.
Contact Us
For any questions regarding your order or shipping, please reach out to us at (800) 337-0408.
Thank you for choosing Hot Tub Supply!