ok. from the hella catalog (no date, but i got it this year):

Fresh air and clear windows. Motor-vehicle fans from Hella.

Model Jet. can be adjusted and fixed in any position. On/off switch in front
           of protective grill. Housing made of impact-resistant material,
           black, 12V.
           part no. 87178.
           <round, 3-blade, circular grille on pedestal>
           6" max width, 8-1/8" tall, 3-3/16" deep. power consumption 4W.

Model Rotor. the air flow is infinitely adjustable. Grille-protected cylinder
           adjustable. Housing made of black, shock-proof material. With
           switch and pre-fitted cable. 12V.
           part no. 87170 <12V, w/switch and cable>
           part no. 87171 <24v, w/o switch>
           part no. 87172 as above, but with heating (140W max.) 12V
                          <12V, w/switch and cable, w/heater>
           5-3/4" max width, 4" tall, 2" deep. power consumption 4.5W
           <small cylinder with pedestal at one end; approx. 60" of cable>
           <more of a defroster fan, than a cool-the-human fan>

Model Turbo. The fan can be swivelled both horizontally and vertically, and
           locked in any position. The air flow is controlled by a 2-stage
           switch. Housing made of black, shock-proof material. Propeller
           (diameter 160mm) protected by grille. with connection cable 12V.
           part no. 87176 <12V>
           part no. 87177 <24V>
           <round, 3-blade, on U-shaped mounting bracket with swivel>
           7-1/2" max width, 7-7/8" tall, 3-3/4" deep. power consumption 6.5W

and for those of you wanting a bit more light inside the car ... :)
Hella surface-mounted lamp with halogen light.
   Lamp can be rotated through 340 degrees, lamp head can be swivelled
   through 330 degrees. in matt-black, white or brown. on/off switch in
   lamp head. fitted with 12V bulb.
   part no. 62643 matt-black with spare red lens
   part no. 62641 white model
   part no. 62642 brown model
        all models:  2-21/64" wide, 2-49/64" high.
   part no. 78166 halogen bulb, 12V 5W

and here's some places to get them:
PUMA                        (Performance Unlimited Motoring Accessories)
11192 Prouty Rd.            Hella lighting & accessories, catalogs (of
Concord, OH 44077           Hella replacement parts for Audi/Porsche/VW/
(216) 354-4403              MB/Saab/etc.)
(800) 333-7862

Hella                        (404) 631-7500
201 Kelly Drive              (800) 247-5924
P.O.Box 2665
Peachtree City, GA 30269

Various Retail outlets for Hella products:
Mail Order Houses:
--------------------------------------------------
CA   Automotive Performance Sys.      800-423-3623
MN   Big Wheel Rossi/APSO                          (612) 452.7484
MO*  Imparts Limited                  800-325-9043
NY   Wilco                            800-521-0094
OH*  Performance Unlimited (PUMA)     800-333-7862
PA   Keystone Automotive              800-288-6727

Warehouse Distributors
--------------------------------------------------
CA   Competition Parts Wh. (San Jose)              (408) 434-9844
CA   Import Auto Warehouse (San Mateo)             (415) 343-1661
CA   Neuman Dist. (Anaheim)                        (714) 630-0588
CA   Off-Road Whs. (San Diego)                     (619) 565-7792
CA   Performance Marketing (Santa Ana)             (714) 835-0292
CA   Performance Products (Van Nuys)               (818) 787-7500
CA   Woodland Center Auto Supply (San Rafael)      (415) 454-8281
CO   Lighthouse (also: LA, AZ, OR, WA, and         (303) 722-5879 CO
                San Diego, Hayward, CA)            (213) 749-5031 LA
                                                   (602) 258-6220 AZ
                                                   (503) 286-7130 OR
                                                   (206) 467-1620 WA
                                                   (619) 263-4428 SD,CA
                                                   (510) 783-8910 HW,CA
CO   Import Parts Whse. Inc. (Denver)              (303) 825-2000
CO   Neoplan USA (Lamar)                           (719) 336-3256
GA   Postell Assoc. / Racer (Roswell)              (404) 998-7777
GA*  Automod of Atlanta                            (404) 233-6116
IL   F&W                              800-323-5241
IN   NAPA/Belkamp                                  (317) 244-7241
IN   Burnstine's Dist. (Elkhart)                   (219) 293-1571
KS   Reliable Automotive (also: MN, TX)            (913) 722-2540
KY   National Supply CO. (Bowling Green)           (502) 781-2732
MA   Ellis, Inc. (Boston)                          (617) 782-4777
ME   V.I.P. Auto Center (Lewiston)                 (207) 784-5423
NC   Autosport Gallery (Raleigh)                   (919) 872-2002
NH   Bavarian Auto Parts (New Market)              (603) 679-2002
NJ   Dons Speed Shp., Inc. (Edison)                (201) 287-5200
NJ   H. L. Dalis (Long Island City)                (718) 361-8700
NJ   Mothers Perf. Center (Lodi)                   (201) 478-0800
NY   American Specialty                            (516) 435-4555
NY   Custom Spares Ltd. (Briarcliffe Manor)        (914) 923-2525
OH   Euclid Foreign Motors (Cleveland)             (216) 481-9200
OR   Automotive Prod. (Portland)                   (503) 234-5241
PA   National Discount Auto                        (215) 997-1300
PA   Autoradio USA, Inc. (Phila.)     800-523-4530
TX   Awesome Trans. (Houston)                      (713) 469-8900
TX   Krasne Corp (El Paso)                         (915) 542-1959
US   Pep Boys                         800-873-7269
VA   Lee's Custom Trip                             (703) 569-1788
VA   Northern Virginia Supply (Springfield)        (703) 569-7177
VA   Truckers Toy Stores (Richmond)                (804) 272-4321
WA   Geon Automotive (Tacoma)                      (206) 475-9421
WA   Northwest Off-Road (Bellingham)               (206) 676-1200
WI   Voland Supply (Kiel)                          (414) 773-2416

Canada.............................
ALB  Acklands Automotive (Edmonton)                (403) 451-1282
ALB  Scona Springs & Steering (Edmonton)           (403) 433-1471
BC   Chieftain Auto Parts (Prince George)          (604) 562-1258
BC   Deckers Auto (Burnaby)                        (604) 433-1243
BC   Dix Distributors (Coquitlam)                  (604) 525-3399
BC   Lordco Parts Ltd.                             (604) 467-1581
BC   United Automotive Dist.                       (604) 291-7766
ONT  Auto Dynamica, Inc. (Beamsville)              (416) 945-1010
ONT  Exotic Motoring Acc. (Scarborough)            (416) 754-3374
ONT  Karbelt Speed & Custom (Toronto)              (416) 487-5271
ONT  Perf. Imprv. Speed. Sh. (Toronto)             (416) 259-9656
QUE  Autolectra (Montreal)                         (514) 342-1044
QUE  Bourgeois Acc. Auto's (Montreal)              (514) 397-0536
QUE  Robert Thibert, Inc. (Mercier)                (514) 691-1062