You can clean the filters by putting them in the washing machine?! I thought they were made of paper and would not survive the washing machine cycle. Just to be sure, mine look like these (voyager is failing to upload the pic for some reason, sorry): https://encrypted-tbn0.gstatic.com/images?q=tbn%3AANd9GcSqQZcMMvdraSycQnJnIhZCuRQKP7bIE7FfPhSuvLU6Ygc8IYL33ARA5h-6&s=10

Wait till they find out that your are capable of GOSUB - RETURN too.