Millgard Vinyl 3050 double hung balancers

A purchasing agent from Osaka, Japan says:
February 8, 2021
The production number of the window is: 01001DH R1020205 A3076
The code stamped on the balancer is DB A2 27 HD

Looking for 4 piece.
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Casey from SWISCO responded:
February 11, 2021

Hello,

Take a look and compare our S751-28 channel balances with a 27HD strength option for window sashes between 19 and 24 lbs. Thanks for posting! 
28" Series 751 Channel Balance
28" Series 751 Channel Balance
S751-28
$11.73
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