Replacement Filter (F-9020) F-9020$15.00 Dust Filter with Frame 10032$25.00 Unit Adapter Adapter connecting AC unit to exhaust hose (serial numbers beginning with A06 or A07). 10006$15.00 Unit Adapter Adapter connecting AC unit to exhaust hose (serial number beginning with A04 or A05). 10005$15.00 Exhaust Hose (5") 5" diameter x 5' long. 10012$30.00 Extendable Plastic Slider Kit New plastic kit works with the existing Round Connector, no separate adapter needed. 1 set includes 3pcs. 20.5"L x 6.5"W 92pcs) and 20.5"L x 6.25"W (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 Remote Control 10030$20.00 Drain Cap 10044$5.00 Rubber Plug 10042$5.00 Drain Tube 10035$5.00 Caster 10049$7.00