The BF series is a series of particulate tank breathers that are designed to filter particulate matter out of the air entering fuel tanks, reservoirs, gearboxes, etc… and are offered in both metal and plastic construction with a wide range of tank connection options.

While the ELF Series is a line of filler breathers that offer not only a particulate breather for your hydraulic system but also a filter basket which will allow you to fill the tank trough the same opening.
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Part Number

Model Code Description

Type of Connection

Connection Size

Tank Thread Connection

Cap Material

Gauge Option

Filtration Rating

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N/A BF BN 8 F 1 A 1.0 N/A Flanged N/A Flanged (DN93, 4 bolt N/A N/A N/A Without Indicator N/A 1 µm
N/A BF BN 8 F 1 K 1.0 N/A Flanged N/A Flanged (DN93, 4 bolt N/A N/A N/A With Indicator N/A 1 µm
N/A BF BN 9 F 2 A 1.0 N/A Flanged N/A Flanged (DN 125, 8 bolt) N/A N/A N/A Without Indicator N/A 2 µm
N/A BD 200 G 2 W 1.2 N/A Thread BSPP N/A 1 in N/A N/A N/A W N/A 2 µm
N/A BD 400 G 2 W 1.2 N/A Thread BSPP N/A 1 in N/A N/A N/A W N/A 2 µm
N/A BF P 7 U 3 K 1.0 N/A SAE N/A SAE-16 N/A N/A N/A With Indicator N/A 3 µm
N/A BF P 7 U 3 W 1.0 /-AS N/A SAE N/A SAE-16 N/A N/A N/A Without Indicator N/A 3 µm
N/A BF BN 52 G 3 W 1.0 N/A BSPP N/A G 2 1/2 BSPP (ISO 228, Female) N/A N/A N/A Without Indicator N/A 3 µm
N/A ELF P 7 F 3 W 1.0 N/A Flanged Connection to DIN 24557/T2 N/A N/A N/A N/A Without Indicator N/A 3 µm
N/A ELF P 7 F 3 K 1.0 N/A Flanged Connection to DIN 24557/T2 N/A N/A N/A N/A Without Indicator N/A 3 µm
N/A BF P 7 G 3 K 1.0 N/A BSPP N/A G1 N/A N/A N/A With Indicator N/A 3 µm
N/A BF P 7 G 3 UBM 1.0 N/A BSPP N/A G1 N/A N/A N/A N/A 3 µm
N/A BF P 7 G 3 UBM 2.0 N/A BSPP N/A G 3/4 N/A N/A N/A N/A 3 µm
N/A BF P 7 G 3 UBM 4.0 N/A BSPP N/A G 3/4 Female N/A N/A N/A N/A 3 µm
N/A BF P 7 G 3 W 1.0 N/A BSPP N/A G1 N/A N/A N/A Without Indicator N/A 3 µm
N/A BF P 7 G 3 W 1.0 /-AS N/A BSPP N/A G1 N/A N/A N/A Without Indicator N/A 3 µm
N/A BF P 7 G 3 W 3.0 N/A BSPP N/A 1-1/2 in. -16 UN 2B Female N/A N/A N/A Without Indicator N/A 3 µm
N/A BF P 7 N 3 K 1.0 N/A NPT N/A 3/4 NPT N/A N/A N/A With Indicator N/A 3 µm
N/A BF P 7 N 3 UBM 1.0 /-AS N/A NPT N/A G1 N/A N/A N/A N/A 3 µm
N/A BF P 7 N 3 W 1.0 N/A NPT N/A 3/4 NPT N/A N/A N/A Without Indicator N/A 3 µm
N/A BF P 7 N 3 W 1.0 /-AS N/A NPT N/A 3/4 NPT N/A N/A N/A Without Indicator N/A 3 µm
N/A BF P 3 N 03 W 6.0 /-RV/NPT N/A NPT N/A 3/4 NPT N/A N/A N/A Without Indicator N/A 3 µm
N/A BF P 10 G 3 W 1.0 N/A BSPP N/A G 1/4 N/A N/A N/A Without Indicator N/A 3 µm
N/A BF P 10 G 3 W 1.0 /-AS N/A BSPP N/A G 1/4 N/A N/A N/A Without Indicator N/A 3 µm
N/A BF P 10 G 3 W 1.0 /-FP N/A BSPP N/A G 1/4 N/A N/A N/A Without Indicator N/A 3 µm
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