Based on this product's specifications, here are some alternatives and similar models
Smoke Canister xTool SafetyPro AP2 P5010391 — smoke cartridge for SafetyPro AP2
Summary description:
Smoke Canister xTool SafetyPro AP2 P5010391 is a replacement smoke cartridge designed for use with the xTool SafetyPro AP2 system. It provides controlled smoke output for testing, demonstration, or safety-check procedures. The canister fits the AP2 model and enables quick installation and safe operation during ventilation, alarm or sensor validation tasks.