PouchPicks carries citrus pouches from CLEW, On!, Rogue, Velo, ZYN, zone. Flavor character varies by brand even within the same family — see each brand's page for its specific citrus products.
Citrus pouches on PouchPicks range from 1.5mg to 15mg, depending on brand.
No — "citrus" describes a flavor family, not a single formula. Two brands' citrus pouches can taste noticeably different in intensity and sweetness. Comparing products from a couple of brands is the only way to find the one you prefer.