Product details:

Donaldson TopSpin Pre-Cleaner H002435 (H001250 Upgrade) Extends the air Filter Life and Boosts System Efficiency. If your vehicle already has a pre-cleaner, you obviously recognize its importance. A pre-cleaner will extend the life of your air filter and reduce overall operating costs. Donaldson TopSpin will separate a greater amount of debris and contaminant compared to competitive products. Multiple tests conducted per ISO 5011/SAE J726 and average results are shown in charts below.