When activated (punch to activate), this prevents zombies from infecting anyone in your world.
Zombie Jammer price in Growtopia: sells for about 18 WL, buyers pay about 11 WL (median of 1644 offers from community Discords, past 30 days). Live price chart and the latest buy and sell offers.
Recently sold at: 4AA7, DIINE, SHOPANCESTRAL, UTJE, ZONYT