what is a box car filter?
97756
Boxcar FIR filters are simply filters in which each coefficient is 1.0.\nTherefore, for an N-tap boxcar, the output is just the sum of the past N
120951
they are porous and absorb impurities in water\n\nhttp://www.heartspring.net/water_filters_guide.html
854307
The Butterworth filter is one type of electronic filter design. It is designed to have a frequency response which is as flat as mathematically possible in the passband. Another name for them is 'maximally flat magnitude' filters. \nThere is a load of stuff on the link below it sounds to me like it can be both, but electrics isnt my biggy im, afraid check it out.\nhttp://en.wikipedia.org/wiki/Butterworth_filter
547072
A coalescer filter separates two immiscible fluids like fuel oil and water (see ref. 1), or removes liquid and aerosols from a gas stream (such as removing compresser oil from cvompressed air; see ref. 2).
60544
Do you mean Ahlstrom filters?  They make filter papers.  If you have a solution with solid particles in it, you pour it through the filters and the particles are collected on the filter paper.  You can buy them online (see the source below).
97536
BOX!!!!!!!!!!!!!!!!!!!!!!!!
159034
Go to www.integrityonline.com.  They've got a great set of filters.\n\nNothing is 100% effective, but theirs works pretty well.\n\nGood luck!
580423
Sludge test, which evaluates the ability of an automotive crankcase lubricant to inhibit the deposition of sludge and prevent wear in gasoline engines when operated with a fuel that is prone to generate ...\nwant more check out:\nhttp://ca.search.yahoo.com/search?fr=slv1-adbe&p=Sludge+Test
344483
It is a box that looks like an oven.  It is used to keep living material at a constant temperature (e.g. bacteria) or for drying specimens (e.g to ascertain plant dry weight).
1165819
washing cars is better
113824
Well here's a site that was talking about the box\n\nhttp://rds.yahoo.com/_ylt=A0Je5EvY.yFEDMwAzUdXNyoA;_ylu=X3oDMTE2bmE3NWMwBGNvbG8DdwRsA1dTMQRwb3MDNwRzZWMDc3IEdnRpZANCMTAwXzgx/SIG=12881tim0/EXP=1143164248/**http%3a//www.metrotimes.com/news/columns/17/sb/50.html
704459
The air filter is mainly just dirt and dust in the air.  The oil filter also dirt and minute metal particles from normal engine wear. The oil suspends the chemical pollutants and that is why you need to change it often.
166153
Buy an inline filter, this is acctually something that you should have for every phone in the house.
404264
???intex pool filters are cartidge filters, you don't backwash a cartridge filter.
4088
because the air inside the car is moving with the car
234909
4.5 Quarts with the filter.
296974
Snap Automatic Transmission Sealer & Conditioner \n this is what i found. its made by pennzoil-quakerstate you will probably find it at a pep boys or a autozone in the automotive fluids section. hope this helps