What does NRRl stand for?

NRRl stands for "Noise Reduction Rating for the Lower-rated protector"

How to abbreviate "Noise Reduction Rating for the Lower-rated protector"?

"Noise Reduction Rating for the Lower-rated protector" can be abbreviated as NRRl

What is the meaning of NRRl abbreviation?

The meaning of NRRl abbreviation is "Noise Reduction Rating for the Lower-rated protector"

What does NRRl mean?

NRRl as abbreviation means "Noise Reduction Rating for the Lower-rated protector"