A vote in favor....
I have one of these since about '95. No problems, and a dry bilge.
Boat is an '88 Olson 34 with a 23 hp Universal and a 2 blade feathering prop.
You will need to measure the diameter of the stern tube or at least determine the size of the hose that connects it to the old stuffing box.
Look at my post on this site dated 10-19-02, in the Maint. and Mechanical Forum, with a picture of mine in place. Title of post is "new strainer and thruhull"...
Loren in PDX