A1. Yes, Good bypass filters do remove more debris than standard full flow filtration. This can result in lower wear metal readings and emphasises the need for trend analysis.

A2. Yes. All filters should be examined before they are thrown away. If the indications are unclear, the filter should be sent for analysis.

A3. Yes. Although the filter may seem in excellent condition on the outside, it will have collected deposits and metallic pieces that can increase the rate at which a new oil degrades, which reduces the life of the oil, as well as causing wear on the engine surfaces.

A4. WearCheck is an ISO 14001 registered company and all unused samples are disposed of in an environmentally-friendly manner according to the ISO requirements.