Best place to start looking for cheaper prices is to search through Google Product Search. Here is a few places that might carry these.
http://www.kvmtools.com/product_info.php?products_id=64899&osCsid=90acd92c2700a0341347861969ebfeb8
http://secure2.data-comm.com/servlet/RBIS/-strse-79409/J-fdsh-B-DV285N-3WU95-10/Detail
http://store03.prostores.com/servlet/gls1/the-165872/J-fdsh-B-DV285N-10-CFM/Detail
A Robinair vacuum pump can be purchased from the HVACStore website, as well as from Orion Air. They are also advertised on eBay and Amazon for purchase.
easiest and cheapest is to just buy a replacememt pump and install this is an easy job not requiring much skill as a mechanic
You can buy a backpack vacuum from Amazon they have several listed.
Argos in the UK sells everything at pretty low prices, and they generally sell a wide assortment of vacuum pumps at pretty low prices. They will be reviewed by users so you should check them out.
Wouldn't it be better to simply buy ONE more efficient pump rather than having two? My neighbor does have one pump for the automatic vacuum and one pump for general filtering. He did, however, have these put in when the pool was installed.
You can buy a vacuum hose at the store that you purchased your vacuum. If they no longer sale them you can check sites like eBay and Amazon. These sites offer low prices because you can buy from the seller charging the lowest price with shipping.
The fastest way to produce a high vacuum is ironically by using a pressure pump. When u release high pressured air from its container, it draws air around it. So when you have a very fast jet of air moving through a T section tube, the end of T will get depressurized. In short, if you want to produce a high vacuum and u have a limited budget, go and buy a high pressure pump and buy a T shaped tube; run the air through from left to right and air will get sucked in from the buttom.
Wherever you can buy vacuum cleaners online, you can also buy accessories for those vacuum cleaners. Typically all you would need to do is do a search on vacuum cleaner accessories and you should find what you are looking for.
My best recommendation on where to buy a Hepa vacuum is Wal-Mart. They have some great deals, and even betterr prices! I found my Hepa vacuum there, and I use it almost daily.
One can buy cheap Numatic vacuum cleaners on websites such as Amazon and eBay. These vacuum cleaners can also be bought in stores at places such as Sears.
First you would want to contact your physician before making the purchase of a diabetic pump, and they can help you to buy a diabetic pump that is right for you.
If you go to the Pond Store on fifth Avenue you can buy a great Pond Pump there. The cost depends on the size of the pump you are buying. The bigger the pump, the more expensive it will be.