Aerator
Type
Regular Aerator
Coin Size
Comparison
Standard (ST)
= Quarter Size
15/16" Male
Threaded
55/64" Female
Threaded
Tiny Junior (TJ)
= Penny Size
M20x1 Male
Threaded
M18.5x1 Female
Threaded
How To Replace Your Hidden Aerator
MULTI-FIT AERATOR KEY
Regular OR Hidden:
Hidden Aerator
Inside
Inside
Aerator Wrench =
Fits Multiple Sizes
1
Using the above measurements, find the
right key size for your hidden aerator.
2
Line up the teeth of the key with the
notches of the hidden aerator.
3
Twist to loosen the aerator.
Male to Female OR Female to Male:
Thread
OUTSIDE
Thread
INSIDE
Male Spout/
Female Aerator
REGULAR
Junior (JU)
= Nickel Size
13/16" Male
Threaded
3/4" Female
Threaded
Aerator Wrench Measure hidden
Tom Thumb (TT)
= Dime Size
M18x1 Male
Threaded
M16x1 Female
Threaded
Thread
INSIDE
Thread
OUTSIDE
Female Spout/
Male Aerator
Select Aerator Key
aerator based
on coin size
comparison
HIDDEN
©2019 Danco, Inc.
Irving, TX 75062
10909
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