Collection: Antifouling Systems

Protect what’s below the waterline.

Explore marine antifouling systems, sacrificial anodes and corrosion-protection products designed to help protect critical underwater components and maintain your vessel season after season.

Shop boat anodes, zinc anodes, aluminum anodes, magnesium anodes, shaft anodes, propeller anodes, trim-tab anodes and marine antifouling equipment for sailboats, powerboats, yachts and other marine applications.

Whether you're replacing worn sacrificial anodes, maintaining underwater running gear or preparing your boat for another season in the water, Roam & Harbor makes it easier to find essential products for protecting your vessel below the waterline.

From routine maintenance to long-term vessel care, choosing the appropriate corrosion and fouling protection for your boat and operating environment is an important part of keeping underwater systems maintained and ready for the water.

Protect below the waterline. Preserve the adventure.

147 products

  • Tecnoseal

    Tecnoseal Aluminum Plate Anode - 12" x 6" x 1/2" [TEC-DIVERS-AL]

    Regular price $44.33 USD
    Sale price $44.33 USD Regular price $0.00 USD

    Aluminum Plate Anode - 12" x 6" x 1/2"Specifications: Material: Aluminum Plate for hulls Dimensions: 12" x 6" x 1/2" Specifications: Material: Aluminum Box Dimensions: 1"H...

  • Tecnoseal

    Tecnoseal Mercury Verado 350 Aluminum Anode Kit [20817AL]

    Regular price $63.14 USD
    Sale price $63.14 USD Regular price $0.00 USD

    Mercury Verado 350 Aluminum Anode KitSpecifications: Material: Aluminum For Mercury Verado Specifications: Material: Aluminum Box Dimensions: 2"H x 5"W x 8"L WT: 1.4 lbs UPC: 8058774839502...

  • Tecnoseal

    Tecnoseal Mercury Verado 350 Zinc Anode Kit [20817]

    Regular price $68.84 USD
    Sale price $68.84 USD Regular price $0.00 USD

    Mercury Verado 350 Zinc Anode KitSpecifications: Material: Zinc For Mercury Verado Specifications: Material: Zinc Box Dimensions: 1"H x 6"W x 8"L WT: 3.86 lbs UPC: 8058774839496...

  • Tecnoseal

    Tecnoseal Quick Zinc Propeller Nut Anode Kit f/BTQ185 Bow Thrusters [03606]

    Regular price $9.88 USD
    Sale price $9.88 USD Regular price $0.00 USD

    Quick Zinc Propeller Nut Anode Kit for BTQ185 Bow ThrustersTecnoseal Quick Zinc Propeller Nut Anode Kit BTQ185 for 185mm diameter tunnel. For use in salt water....

  • Tecnoseal

    Tecnoseal Quick Zinc Propeller Nut Anode Kit f/BTQ140 Bow Thrusters [03605]

    Regular price $8.10 USD
    Sale price $8.10 USD Regular price $0.00 USD

    Quick Zinc Propeller Nut Anode Kit for BTQ140 Bow ThrustersTecnoseal Quick Zinc Propeller Nut Anode Kit BTQ140 for 140mm diameter tunnel. For use in salt water....

  • Tecnoseal

    Tecnoseal De-Icer Aerator Anode - 0.50" Shaft - Zinc [TKA02]

    Regular price $12.83 USD
    Sale price $12.83 USD Regular price $0.00 USD

    De-Icer Aerator Anode - 0.50" Shaft Zinc Zinc .32lbs Height:1.26" Ø-1.50" Ø 1- 0.50" Hardware included Specifications: Material: Zinc Box Dimensions: 1"H x 2"W x 3"L...

  • Tecnoseal

    Tecnoseal Anode Kit w/Hardware - Volvo Duo-Prop 290 - Zinc [20706]

    Regular price $39.18 USD
    Sale price $39.18 USD Regular price $0.00 USD

    Volvo Duo-Prop 290 Anode KitContents: (1) 00704BIS (1) 00708 Material: ZincPackaging: PolybagHardware: Included Specifications: Material: Zinc Box Dimensions: 2"H x 6"W x 7"L WT: 2.8 lbs...

  • Tecnoseal

    Tecnoseal E3 Pencil Zinc w/Brass Cap [TEC-E3-C]

    Regular price $11.75 USD
    Sale price $11.75 USD Regular price $0.00 USD

    E3 Pencil Zinc w/Brass CapLength: 2.00"Diameter: 0.75" Specifications: Material: Zinc Box Dimensions: 1"H x 1"W x 3"L WT: 0.5 lbs UPC: 8059617819101 Quick Guide (pdf)Owner's Manual...

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