AIR PUMPS AND FILTERS 
BELDT'S AQUARIUM 
SAINT LOUIS, MO. 
All-celluloid Filter 
Daily capacity, 300 gallons, complete with 
filtering material .-.$4.50 
Acme Junior Filter 
When the water becomes milky from over¬ 
feeding or gets otherwise stagnant, it is 
necessary to filter the water. This filter is 
designed for smaller aquariums. Price, 
each ....... $1.50 
Marco Air Pump 
Model A 
12 Releasers. .$15.oo 
Model H 
24 Releasers . $20.00 
Model B-2 
36 Releasers . $25.00 
A fine piece of workmanship; a very popu¬ 
lar pump. Will supply ten outlets. Takes up 
floor space, 6x4 14 inches. 
Standard Model 
Shipping weight, 8 lbs. 
White Mist Air Pumps are guaranteed for 
one year. The factory guarantees all ship¬ 
ping costs if the pump fails to operate prop¬ 
erly during this time. This pump has made 
enthusiastic friends and every purchaser is 
more than satisfied. The order number must 
be given with all claims. 
Price, with glass top.. . $9.90 
Price, with solid top... . . 7.90 
Shipping weight 314 lbs. Floor space 
714x4 inches. Height 3% inches. 
Will operate from one to three tanks. 
Special “White Mist” folder sent free on 
request. 
Acme Thermalator 
A small aerator to be used in aquariums 
up to 20-gallon capacity. It can be attached 
to the top frame of any aquarium. It must 
be kept above water level and works entirely 
automatically. It pumps fresh air into the 
water at intervals of about twice a minute, 
operates on 2c per day and makes it possible 
to keep more fish in an aquarium in healthier 
condition. 
Provided with a 6-foot extension cord and 
can be plugged into any convenient socket. 
A. C. current, 110 volt. 
Price, eneh . ..$1.50 
Junior Model 
60-Cycle—110 Volts 
A. C. Current 
Price—$8.00 
Here is the pump for the average fancier. 
It will supply 10 outlets with plenty of air. 
It has 12 lbs. of stalling pressure and will 
operate on 3 to 4 cents per day. Shipping 
weight, 8 lbs. A real honest-to-goodness 
VALUE. 
Supreme 2 Cylinder Air Pump 
for 20 Outlets 
PRICE, $11.50 
Chromium Filter 
This filter comes complete with directions 
and all filtering material including- hanger, 
inlet and outlet tubes, as illustrated. It is 
a gravity filter; hangs bn the outside of the 
aquarium and returns the clear water into 
the aquarium, acting also as an aerator while 
filtering. Can be used with any air pump. 
Length Width Height 
6 4 10 V* 
Price .. ... $8,50 
Filter Supplies 
Best filtering charcoal, per quart.. .$0.31) 
Per gallon . 75 
Activated carbon. A very high grade 
filtering compound. Will filter any 
discoloration out of water and leave it 
absolutely clear. Per quart. .40 
Per gallon . 1.25 
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