2010s.

Ashland Dual Arm Casement Window Operator Components
$80.88
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Dyad Sill Mounted Casement Window Operator – Encore Series
$70.88
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This product has multiple variants. The options may be chosen on the product page
Truth Maxim Series Dual Arm Operators | Right & Left-Handed Options and Various Finishes
$88.88
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This product has multiple variants. The options may be chosen on the product page