Skyline R34 Cabin Air Filter Replacement

This is my first Skyline post. I am planning to record all useful information during my search and also add my installation experience later.

Problem: Unpleasant smell comes even from the ducts even normal airflow.

Solution: Replace the air filters in the cabin

Challenge: Find the cheapest and the closest to match to the original part

This is what I found in the workshop manual:

Found the following post from sau.com.au, according to BNDAIR, the total cost for OEM filter is $43.

Click following link to visit actual page if still exist...
http://www.sau.com.au/forums/topic/287661-pno-for-r34-pollen-filters/

This is link from the post: http://www.rhdjapan.com/nissan-oem-air-purifier-and-carbon-filter-kit-ay684-anti-pollen-r34-bnr34.html

Home / Cooling / OEM Parts
NISSAN OEM AIR PURIFIER AND CARBON FILTER KIT AY684 (ANTI-POLLEN) R34 BNR34
NISSAN OEM SKU: 59002
LIST PRICE: ¥2,410

Specifications:
Brand: Nissan OEM
Product: Air Purifier and Carbon Filter Kit
Part Num: AY684-NS002

Compatibility
Nissan Skyline GT-R BNR34 (Zenki - 1/99-8/00) Eng: RB26DETT
Nissan Skyline GT-R BNR34 (Chuki - 8/00-10/00) Eng: RB26DETT
Nissan Skyline GT-R BNR34 (Kouki - 10/00-8/02) Eng: RB26DETT
Nissan Skyline GT HR34 (Zenki - 5/98 - 8/00) Eng: RB20DE
Nissan Skyline GT HR34 (Kouki - 8/00 - 6/01) Eng: RB20DE
Nissan Skyline 25GT ER34 (Zenki - 5/98 - 8/00) Eng: RB25DE
Nissan Skyline 25GT ER34 (Kouki - 8/00 - 6/01) Eng: RB25DE
Nissan Skyline 25GT Turbo ER34 (Zenki - 5/98 - 8/00) Eng: RB25DET
Nissan Skyline 25GT Turbo ER34 (Kouki - 8/00 - 6/01) Eng: RB25DET
Nissan Skyline 25GT FOUR ENR34 (Zenki - 5/98 - 8/00) Eng: RB25DE
Nissan Skyline 25GT FOUR ENR34 (Kouki - 8/00 - 6/01) Eng: RB25DE