Replacement Filter (F-7500) F-7500$15.00 Exhaust Hose Extends up to 5' long 10012$30.00 Unit Adapter Adapter connecting AC unit to exhaust hose (serial number beginning with A06 or A07). 10008$15.00 Unit Adapter Adapter connecting AC unit to exhaust hose (serial number beginning with A04 or A05). 10007$15.00 Extendable Plastic Slider Kit New plastic kit works with the existing Round Connector, no seperate adapter needed. 1 set includes 3pcs. 20.5L x 6.5W (2pcs) and 20.5L x 6.25W (1pc), forms up to 58.5" long. 10051$40.00 Foam Window Kits 1 set includes 2pcs, each pc = 24"L x 7"W. 10019$25.00 Round Connector & Cap Adapter connecting exhaust hose to foam window kit, new plastic kit (#10051), or for wall connection. 10016$12.00 Dust Filter with Frame 10038$25.00 Rubber Plug 10042$5.00 Drain Cap 10031$5.00 Drain Tube 10035$5.00 Caster 10049$7.00