Use the order menu selections below to select your Upgrade option.

    NOTE: to order more than one upgrade

    On the next screen, if you have a second detector that you want to upgrade, simply back-arrow and return to this screen and make your selection choice for that detector. Then ‘Proceed to Checkout’ and follow instructions to complete your purchase.

    Choose Your Upgrade Option

    Fisher F75 Upgrades

    Fisher F75 Upgrades