Once full, simply toss out and replace
Bullen et al 53 randomized smokers interested in quitting to receive either e-cigarettes, nicotine patches, or placebo (nicotine-free) e-cigarettes and followed them for 6 months

Local brands owned by British American Tobacco include: Benson & Hedges (Bangladesh), John Players Gold Leaf (Bangladesh), State Express 555 (Bangladesh), Belmont (Colombia, Chile, Nicaragua and Venezuela), Jockey Club (Argentina), Stradbroke (Australia), Hollywood (Brazil), du Maurier (Canada), Prince (Denmark), North State (Finland), HB (Germany), Sopianae (Hungary), Wills (India), Ardath, Bentoel, and Country (Indonesia), Carrolls, Carrolls Kings, Grand Parade, Black Allen (Germany), Sweet Afton, Major (Ireland), Boots, Alas (Mexico), Gold Leaf (Bangladesh, Pakistan), Jan III Sobieski (Poland), Yava Gold (Russia), Courtleigh (South Africa), Benson & Hedges, Dunhill, Kent, Pall Mall, Perilly's, Peter Stuyvesant, and Rothmans (Malaysia), Parisienne (Switzerland), Maltepe (Turkey) and Xon (Uzbekistan), Craven A (Vietnam and Jamaica) as well as BAT snus, Holiday, Freedom and Park Drive (New Zealand) Royals (UK), Embassy (Kenya), Viceroy, Newport, Lucky Strike in Dominican Republic and Delta in El Salvador

They all derive from Petersons first full-blown foray into antique reproductions
Nice job Robert #8 Unbelievable