Frequently Asked Questions (FAQs) FAQs for Product: Resmed Swift FX™ Mask 1. Are these masks the Lt & Fx compatiable with the Resmed Autoscore 11 ?Please? (Posted: 12th Oct, 2010) 2. DOES THE SWIFT FX MASK REQUIRE ANY ADDITIONAL COUPLINGS TO ATTACH TO AUTOSCORE 2? (Posted: 16th Feb, 2011) Question & Answers for Product: Resmed Swift FX™ Mask Q. Are these masks the Lt & Fx compatiable with the Resmed Autoscore 11 ?Please? (Posted: 12th Oct, 2010) A. Yes, both are standard size Back to Top Q. DOES THE SWIFT FX MASK REQUIRE ANY ADDITIONAL COUPLINGS TO ATTACH TO AUTOSCORE 2? (Posted: 16th Feb, 2011) A. No. Mask and tube diameters have become a standard size now. Back to Top Submit A New Question Can't Find The Answer You're Looking For? Submit Your Question Below: Related Product:  Resmed Swift FX™ Mask Your Question:  (Please enter One Question Only! You can ask as many questions as you like, but do not combine them into one post!) Your Reply Email Address:  Security Step:  Enter the text to the Left in the space below: [ CLOSE WINDOW ]