... base, stainless steel clamp, 11#silicone stopper, joint flask with side arm25mm40mlGlass filter holderFB-G-50graduated glass funnel ... anodized aluminum clamp, silicone stopper50mm/47mm300mlCylinder style glass filter holderFB-C-40cylinder style funnel, fritted glass base ... , stainless steel clamp, 9#or 11#silicone stopper.25mm40mlStainless steel filter holderFB-S-30graduated stainless steel funnel, ...