Washable Extended surface plank prefilter MERV13 prefilter,MERV air filters

Quick Details
?	Condition: New
?	Efficiency: G4
?	Construction: Panel Filter
?	Filtration Grade: Pre Filter
?	Medium Material: Synthetic Fiber
?	Porosity: 0
?	Place of Origin: Guangdong, China (Mainland)
?	Brand Name: longwell
?	Model Number: PF
?	Dimension(L*W*H): 24*24*2"
?	Weight: 3kg
?	Certification: ISO CE
?	Warranty: 360days
?	After-sales Service Provided: Overseas third-party support available
?	media: nonwoven

Packaging & Delivery
Packaging Details:	carton box
Delivery Detail:	7days

Specifications
It's made of synthetic fibre which has the advantage of the large dust holding capacity, the low pressure loss . 

Advantages
??Suitable for high humidity conditions
??Replaceable filter media
??Progressively built-up thermal bonded polyester fibre
 
Application: Prefiltration of dust and dirt on air handling units.
Type: Nonwoven Media, pleated with a wire support grid.
Frame: Mill-finished aluminium header.
Media: Polyester fibre.
EN 779:2002 filter class: G3.G4.
ASHRAE 52.2:2007 filter class: MERV 6. MERV 7.
Recommended final pressure drop: 250 Pa
Temperature:80.C-100.C Max.in continous service.
Fire rating: DIN 53438 class F1
 
SPECIFICATION:
 
CLASS	SIZE
WXHXT(mm)	Air flow
(m3/h)	Initial resistance (Pa)	Final resistance (Pa)
G3	595 X 595 X 20	1900	35	180
G3	290 X 595 X 20	100	35	180
G3	595 X 595 X 46	3400	35	180
G3	290 X 595 X 46	1700	35	180
G4	595 X 595 X 25	1900	45	220
G4	290 X 595 X 25	1000	45	220
G4	595 X 595 X 46	3400	45	220
G4	290 X 595 X 46	1700	45	220