Mason Jar Scent Restrictor Caps

Take control of your training hides with the Mason Jar Scent Restrictor Caps designed for serious K9 nose work teams. These 3D printed PETG caps are made to fit standard wide mouth canning jars, instantly transforming an everyday jar into a customizable scent training tool. Whether you’re building drive with stronger odor or proofing advanced dogs with minimal scent availability, these caps let you control odor output with confidence. Three Levels of Odor Control Each set includes three interchangeable restrictor caps: High Odor – Maximum odor flow for early training, imprinting, or confidence building. Medium Odor – Balanced scent release for intermediate challenges. Low Odor – Minimal odor availability for advanced proofing and precision work. Simply swap the cap to adjust difficulty without changing your hide setup. Built for Real Training Fits Standard Wide Mouth/Regular Mouth Canning Jars Designed to screw onto common wide mouth/Regular Mouth mason jars for easy integration into your existing training equipment. Durable PETG Construction 3D printed from high-quality PETG for strength, heat resistance, and long-term durability in both indoor and outdoor environments. Consistent Scent Control Openings designed regulate airflow and scent escape, helping you create repeatable, measurable training scenarios. Perfect for sport competitors, detection teams, instructors, and dedicated handlers who want structured, progressive odor work. Control the odor. Control the challenge. Train with intention.