Catlady aka Melanie:
Happy to hear your health and happiness of your friends are more important than money!
Take Venson's advice to heart about reusing the MIELE bags. Most bags can't be reused. MIELE's, especially with your usage, can be reused once.
Your dear Husband can be your assistant. But you will have to buy another straight suction canister vacuum [for $50/less] to accomplish the job. You can only reuse the bag once. Here's what your husband will do [using a face mask to keep from breathing the dirt, dust and dander]:
Cut the TOP edge of the full bag [paper/cloth].
Dump completely.
Vacuum clean the inside and outside of the used bag completely with the new straight suction canister.
Fold the edge of the cut over twice about one-half inch just enough to staple the folded seam completely closed. If you use the clothlike paper, make a wedge out of thin flexible cardboard. Put the folded edge of the used bag in the cardboard wedge and staple closed. Some tape over the stapled fold will seal further and prevent leakage/breakage.
This procedure will save you some money over the long term. This procedure will work fine for your 4 legged furry friends and you!. The new vacuum will pay for itself after reusing 10 MIELE bags or even less.
Caveat: MIELE will void the warranty for this, as Venson said. Don't lie, but don't tell the truth. When you take the MIELE in, remember to insert a new [unadulterated] bag.
Carmine D.
You would not recommend Dyson in part due to the problems associated with emptying the bin by alergy sufferers. Now you recommend a messier and costlier process to save a bag.
Let her husband empty the Dyson. No allergy problem for her and no bag cost.
Thanks for the laugh though.