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How to Measure your Spa

Strap Location Guide

Red is the default placement of the straps. If you need a different location, please include in notes on order

Bullfrog Spas 451-II Spa Cover

When you need to replace your Bullfrog Spas 451-II spa cover, HotTubCovers
has you covered. We make our Bullfrog spa covers with the highest-quality materials on the market to ensure that your spa will have year-round protection. We are proud to create the most sought-after spa covers in North America and are committed to providing continued support to our customers.

To complete the purchase of your Bullfrog Spas 451-II spa cover, simply select your color and insulation preferences below and add to your cart.

    Enter Your Hot Tub Details Below:

    Learn More

    Weather Shield is an UPGRADE for $65.00 Only! It is a new alternative to traditional vinyl covers, which reduces cover weight by 25% and is up to 3X as strong.

    Brazilian Mahogany

    Coffee Brown

    Desert Taupe

    Jet Black

    Oxford Grey

    NOTE: When you upgrade your cover, we will follow your weather shield color instead of Vinyl.

    Select a Vinyl Color

    View examples
    Dark-Grey
    Walnut
    Tan
    Sky-Blue
    Rust
    Parchment
    Oxen
    Mayan-Brown
    Mahogany
    Green
    Dark-Blue
    Coastal-Grey
    Bourbon
    Black

    Select Insulation & Durability

    Us vs Them
    $60
    $90
    $96
    $140

    Customize your cover with these add-ons 

    Heat Shield

    $34.99
    More Info

    Vapor Barrier

    $34.99
    More Info

    Reinforced straps

    $39.99
    More Info

    Additional Comments & Instructions

    Total Price: $
    Please fill all details carefully
    You have entered measurements that is considered as an oversize. Please contact support.
    Add to cart
    This is a pre order item. We will ship it when it comes in stock.

    Disclaimer: Any wrong dimensions are not HotTubCovers' responsibility. According to the supplied specifications, every cover is produced to order. Any cover that shipped straight from the factory cannot be returned. Before you place the order, make sure to double-check the measurements. Please remember that all covers are custom made to your specifications and take 4-7 weeks in production before shipping.

    Hot Tub Accessories

    Select Accessories

    Accessories
    $22.01 USD Off
    MSC LED Pool/Spa Lights LED Pool/Spa Lights
    from $21.99 USD
    from $21.99 USD
    $44.00 USD
    Plastic 2.5W 13 LED waterproof Pool/Spa lights with magnetic and suction options. Multi-purpose 3x AAA battery (not included) 16 color options. Enhance your backyard, pool, or spa with these mini r...
    Choose Options