|The following is based on pre-release information for the canceled online game codenamed Project V13 and is not considered canon.|
The absolute BEST chemical delivery system available! This high-pressure chemical blaster is perfect all for pressure situations, low to high. If you need to put virulent chemicals on target, this is the CDS for you. It has an extra pressure chamber, multiple chem bottles, and DayGlow™ technology for high-speed/high-accuracy dispensing during twilight hours. If you're looking for one CDS to carry, this is the only one we have and it is the GUN FOR YOU!”— Crazy Ivan's description
The Chemblaster™ 3000™ CDS is a weapon mentioned in The Armageddon Rag.
The Chemblaster™ 3000™ CDS appears in The Armageddon Rag, Vol. 4. They were to appear in Fallout Online, Interplay's original Project V13, since abandoned in favor of an unrelated project by the same name.