Go Gear. Bought a 1" joiner there last week, they seem to have the biggest range of silicon hosing in Perth and will cut to your requirements if it's a non-standard length.
Monday to Friday
8:30am to 5:30pm
Saturday
8:30am to 1:00pm
Call 1300 GO GEAR
Local Telephone (08) 9443-4400
Email
race@gogear.com.au
Unit 6, 267 Scarborough Beach Rd Mount Hawthorn, WA 6016
On the corner of Birrell St and Scarborough Beach Rd, Mt Hawthorn