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Polyform HTM-4 Fender 13.5" x 34.8" - White w/Adapter - HTM-4-WHITE

$140.99 $176.99
SKU: 36835

Manufacturer Part #: HTM-4-WHITE


Polyform HTM-4 Fender 13.5" x 34.8" - White w/Adapter - HTM-4-WHITE

Protect your vessel with the Polyform HTM-4 Fender 13.5″ x 34.8″ in White with Adapter, a rugged and versatile marine bumper designed to deliver dependable dockside and mooring protection for larger boats. Part of Polyform’s HTM (Hole-Through-Middle) Series, this high-performance fender combines robust construction with thoughtful design features that help cushion your boat against impacts with docks, pilings, and other vessels. 

Constructed with even wall thickness and vertical molded-in ribs, the HTM-4 fender provides enhanced strength, abrasion resistance, and durability in both protected and unprotected marine environments. Reinforced tube ends prevent lines from pulling through, while the unique Polyform valve system ensures secure inflation and long-lasting air retention. The “hole-through-middle” design offers flexible hanging options—hang it vertically or horizontally depending on your cleat layout or docking configuration. 

This model includes an inflation adapter for easy setup right out of the box, and its classic white finish blends seamlessly with most hull colors. Ideal for boats in the 40′–50′ (12.2 – 15.2 m) range, the HTM-4 Fender is engineered to give boat owners durable, reliable performance season after season. 


⚙️ Detailed Technical Specifications

Specification Details
Manufacturer Polyform U.S.
Model / Part Number HTM-4-WHITE w/Adapter
Series HTM (Hole-Through-Middle) Series
Color White
Fender Type Center-Tube Cylindrical Fender
Diameter 13.5″ (34.3 cm)
Length 34.8″ (88.4 cm)
Tube Diameter ~0.625″ (1.6 cm)
Circumference ~42.4″ (107.8 cm)
Volume / Buoyancy ~15.6 gallons (59.1 L)
Approx. Weight ~10.5 lbs (4.76 kg)
Construction One-piece molded vinyl with even wall thickness and molded-in ribs
Valve Type Polyform unique marine valve (secure air seal)
Reinforced Ends Yes — helps prevent rope pull-through
Mounting Options Hang vertically or horizontally through center hole
Included Fender + Inflation Adapter
Recommended Boat Size 40′–50′ (12.2 – 15.2 m) vessels (guideline)
Use Cases Mooring protection, dock bumping, medium-duty marine fendering
Finish UV and weather-resistant white vinyl
Sold As Individual fender unit

(Specifications based on manufacturer listings and retailer product details.


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🧠 Quick Product Highlights 

  • Designed for larger vessels (40′–50′): ideal fender size for cruisers, sailboats, and big powerboats. 

  • Hole-through-middle design: allows flexible vertical or horizontal hanging. 

  • Durable construction: even wall thickness with molded-in ribs and reinforced tube ends for strength and abrasion resistance.

  • Includes inflation adapter: ready to inflate and use right away. 

  • Reliable valve system: Polyform’s trusted valve maintains air pressure and simplifies setup.

Features:

  • Even wall thickness for maximum strength and durability
  • Molded-in ribs for strength and abrasion resistance
  • Reinforced tube ends
  • Designed for medium-duty use in both permanent protected and unprotected moorings
  • Unique Polyform valve for years of service
  • One (1) piece design

Technical Specifications:

  • Size (diameter x length) - 13.5" x 34.8" (34.3 x 88.4cm)
  • Tube Diameter - 0.625" (1.6cm)
  • Circumference - 42.4" (107.8cm)
  • Volume - 15.6 gallons (59.1L)
  • Boat Size - 40' - 50' (12.2 - 15.2M)
  • Weight - 10.5lb

In the Box:

  • Fender
  • Inflation Adapter

*Sold as a Kit


Manufacturer : Polyform U.S.
Manufacturer Part No : HTM-4-WHITE


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