This 3M TR-6600 pre-filter can extend the service life of the TR-600 series filters by capturing large particles that may otherwise clog the filter. Frequent pre-filter change out may help optimise system performance. Suitable for use with the TR-662 spark arrestor. This filter is maintenance free and should be discarded when clogged or damaged. Supplied in pack of 10.

• Pack of 10
• Reduces operating costs
• Extends the life of TR-600 series filters