Polyform Fender F4 (8.5" x 40.5")

Polyform F4 Boat Fender

The Polyform F4 is part of the world's most trusted line of boat fenders, designed to protect your vessel from damage during docking and mooring. Measuring 8.5" × 40.5", it is ideal for larger powerboats and sailboats. Built from high-quality, UV-resistant vinyl, the F4 delivers superior buoyancy and durability in all marine conditions.

Specifications

• Size: 8.5" × 40.5"
• Weight: 3.90 kg

How to Inflate Your Fender

1. Locate the threaded valve at the top of the fender.
2. Remove the valve cap by unscrewing it counterclockwise.
3. Use a standard ball pump or air compressor with a needle adaptor to inflate.
4. Inflate until the fender is firm but has a slight give when pressed — do not over-inflate.
5. Replace and tighten the valve cap securely.
6. Check pressure periodically, especially in changing temperatures.

Key Features

• UV-resistant vinyl for long-lasting durability
• Superior buoyancy for reliable boat protection
• Rope eyes at both ends for easy attachment
• Suitable for powerboats, sailboats, and yachts