"What ___!" ("Groovy") (1,3)

I think it could be either:

Which length description are you looking for?:

1,3

agas

(Other definitions for agas that I've seen before include "commanders" , "kitchen appliances" , "cookers and heaters" , "heating appliances" , "Appliances used for cooking" .)

I've seen this clue in The Wall Street Journal.

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