The glomerular capillary blood pressure causes filtration of blood through three layers in a sequence of

 Endothelium $\to$Basement membrane $\to$Epithelium of Bowman’s capsule

 Epithelium of Bowman’s capsule $\to$Basement membrane $\to$Endothelium

 Basement membrane $\to$Endothelium $\to$Epithelium of Bowman’s capsule

 Epithelium of Bowman’s capsule $\to$Endothelium $\to$Basement membrane