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UNCONDITIONALLY Guaranteed to keep turning forever without squeaking -
Only the WhirlyBird turns in breezes less than 3 km/h! -
Ultrasonically welded and sealed bearing cap -
Permanently lubricated upper and lower ball bearings - ensure long life and no maintenance -
All-aluminum rust-free - for long lasting durability in all climates -
Exclusive vari-pitch base - adjusts to 12/12 roof pitch |