product line
US /ˈprɑː.dʌkt ˌlaɪn/
UK /ˈprɑː.dʌkt ˌlaɪn/

1.
a group of related products under a single brand sold by the same company
:
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The company decided to expand its product line to include organic foods.
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Their new product line of eco-friendly cleaning supplies is gaining popularity.