Fit type: Universal Fit Constructed from high quality material Designed to detect the amount of oxygen in the exhaust system Features double protection layer, aluminium oxide trap layer, PTFE filter and stainless steel housing
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.