OK, what is a pollen filter? ... Trapping particles such as pollen, dust, bacteria, and exhaust gases that may try to find their way into a vehicle's ventilation system (particularly from all the construction sites around Christchurch), a pollen filter helps to make your car an altogether healthier place.

Is a pollen filter necessary?

Pollen filters clean the air that comes into the cabin of the car and filters out pollen, dust, dirt, exhaust fumes and any other airborne material. This helps to protect you and your passengers from the majority of the pollutants and allergens that your car encounters whilst sitting amongst other cars.

How much does it cost to replace a pollen filter?

The average cost for a cabin air filter is between $15 and $25. CARFAX and Angie's List report that the labor cost to have the filter swapped out is $36-$46, although you could end up paying more if it's harder to reach.