The DrySeal has an optional back-up seal that if installed during the original time of installation can be installed without removing the unit or the shaft. Available in shaft sizes 3/4" to 8", accommodating any size stern tube up to 10-1/2" in diameter. Metric sizes available. Also an excellent rudder shaft seal.
Optional Back-up seal rotates with the shaft until replacement is needed.
Click here for a list of Lasdrop's sizes and here for Lasdrop's Installation Instructions.
Dry Seal Back Up Seals
Product Specs
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