Uniseal hole size?

[detroit_fan]

I ordered a couple 1/2" uniseals and they call for a 1.25" hole. My hole saw kit has a 1 1/8" and 1 3/8"- is it ok to go with the 1 3/8" or will it be too big and cause failure of the uniseal?

[connecticut cichlids]

i would use the propper hole size.....

[geo]

Too big will not work, you will need to pick up a 1.25" hole saw.

[detroit_fan]

thanks guys. i'll pick up the right one.