I have 1.25" Astronomik IR Block filter for sale.
I bought it from bintel for $59 three months ago and used a few times. Now I'm moving to 2" accessories and this one must be sold. The price is $45(this includes shipping anywhere in Australia. Pick up is welcome from South Melbourne(weekdays only).
Specification of this filter can be found at
https://www.bintelshop.com.au/Product.aspx?ID=6538
Please PM me if interested.