There's a few places in KL you can check about airbrush set..a good one

Venus Art & Stationery Sdn Bhd
No. 90 Jalan Petaling
50000 Kuala Lumpur
Wilayah Persekutuan
Tel: 603-20728807

Nanyang Art Supplies Sdn Bhd
136, Jalan Petaling, Kuala Lumpur
50000 Wilayah Persekutuan, Malaysia
Tel: 03-2078 7066

MINIATURE HOBBY
No.17, 1st Floor, Jalan 14/20,
46100 Petaling Jaya, Selangor
(above Sushi King)
Tel: 03-7960 1828

Hobby Hq Sdn Bhd
City Square T114 3Rd Floor 182
Jalan Tun Razak
50400 Kuala Lumpur
Wilayah Persekutuan
Tel: 603-21622976

Multifilla (M) Sdn Bhd,
No 1, Jalan 2/2,
Taman Industri Selesa Jaya,
Balakong, 43300 Selangor Darul Ehsan,
Malaysia.
Tel: 603-89613686, 603-89613658,
603-89613657

Try this local online shop

: : Air brush for sale : :